diff --git a/main.js b/main.js
index cd3e519..1dac964 100644
--- a/main.js
+++ b/main.js
@@ -300,6 +300,97 @@ class eWeLink {
       ...CurrentMonth.parse({ hundredDaysKwhData }),
     };
   }
+
+  /**
+   * Get device current temperature
+   *
+   * @param deviceId
+   *
+   * @returns {Promise<{temperature: *, status: string}|{msg: string, error: *}>}
+   */
+  async getDeviceCurrentTemperature(deviceId) {
+    const device = await this.getDevice(deviceId);
+    const error = _get(device, 'error', false);
+    const model = _get(device, 'extra.extra.model', '');
+    const temperature = _get(device, 'params.currentTemperature', false);
+
+    if (error || model !== 'PSA-BHA-GL' || !temperature) {
+      if (error && parseInt(error) === 401) {
+        return device;
+      }
+      return { error, msg: 'Device does not exist' };
+    }
+
+    return { status: 'ok', temperature };
+  }
+
+  /**
+   * Get device current humidity
+   *
+   * @param deviceId
+   *
+   * @returns {Promise<{humidity: *, status: string}|{msg: string, error: *}>}
+   */
+  async getDeviceCurrentHumidity(deviceId) {
+    const device = await this.getDevice(deviceId);
+    const error = _get(device, 'error', false);
+    const model = _get(device, 'extra.extra.model', '');
+    const humidity = _get(device, 'params.currentHumidity', false);
+
+    if (error || model !== 'PSA-BHA-GL' || !humidity) {
+      if (error && parseInt(error) === 401) {
+        return device;
+      }
+      return { error, msg: 'Device does not exist' };
+    }
+
+    return { status: 'ok', humidity };
+  }
+
+  /**
+   * Get device channel count
+   *
+   * @param deviceId
+   *
+   * @returns {Promise<{switchesAmount: *, status: string}
+   */
+  async getDeviceChannelCount(deviceId) {
+    const device = await this.getDevice(deviceId);
+    const error = _get(device, 'error', false);
+    const uiid = _get(device, 'extra.extra.uiid', false);
+    const switchesAmount = getDeviceChannelCount(uiid);
+
+    if (error) {
+      if (error && parseInt(error) === 401) {
+        return device;
+      }
+      return { error, msg: 'Device does not exist' };
+    }
+
+    return { status: 'ok', switchesAmount };
+  }
+
+  /**
+   * Get device firmware version
+   *
+   * @param deviceId
+   *
+   * @returns {Promise<{fwVersion: *, status: string}|{msg: string, error: *}>}
+   */
+  async getFirmwareVersion(deviceId) {
+    const device = await this.getDevice(deviceId);
+    const error = _get(device, 'error', false);
+    const fwVersion = _get(device, 'params.fwVersion', false);
+
+    if (error || !fwVersion) {
+      if (error && parseInt(error) === 401) {
+        return device;
+      }
+      return { error, msg: 'Device does not exist' };
+    }
+
+    return { status: 'ok', fwVersion };
+  }
 }
 
 module.exports = eWeLink;
diff --git a/package-lock.json b/package-lock.json
index d9c1bee..482d05a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ewelink-api",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 5801aa2..4a97ac0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ewelink-api",
-  "version": "1.4.1",
+  "version": "1.5.0",
   "description": "eWeLink API for Node.js",
   "author": "Martín M.",
   "license": "MIT",
@@ -20,7 +20,15 @@
   ],
   "main": "main.js",
   "scripts": {
-    "test": "jest --runInBand --verbose --testPathIgnorePatterns '(node_modules|.cache)'"
+    "test": "jest --runInBand --verbose",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix"
+  },
+  "jest": {
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      ".cache"
+    ]
   },
   "dependencies": {
     "delay": "^4.3.0",
diff --git a/test/_setup/credentials.json b/test/_setup/credentials.json
index fad99fd..92ecd7c 100644
--- a/test/_setup/credentials.json
+++ b/test/_setup/credentials.json
@@ -4,5 +4,6 @@
   "singleChannelDeviceId": "<your device id>",
   "deviceIdWithPower": "<your device id>",
   "deviceIdWithoutPower": "<your device id>",
+  "deviceIdWithTempAndHum": "<your device id>",
   "fourChannelsDevice": "<your device id>"
 }
\ No newline at end of file
diff --git a/test/_setup/expectations.js b/test/_setup/expectations.js
index 4c674e1..23b628e 100644
--- a/test/_setup/expectations.js
+++ b/test/_setup/expectations.js
@@ -13,6 +13,7 @@ const allDevicesExpectations = {
   extra: {
     extra: {
       uiid: expect.any(Number),
+      model: expect.any(String),
     },
   },
 };
@@ -25,6 +26,7 @@ const specificDeviceExpectations = {
   extra: {
     extra: {
       uiid: expect.any(Number),
+      model: expect.any(String),
     },
   },
 };
diff --git a/test/main-env-node.spec.js b/test/main-env-node.spec.js
index 50efdc5..843cf0c 100644
--- a/test/main-env-node.spec.js
+++ b/test/main-env-node.spec.js
@@ -1,12 +1,14 @@
 const delay = require('delay');
 
 const ewelink = require('../main');
+
 const {
   email,
   password,
   singleChannelDeviceId,
   fourChannelsDevice,
 } = require('./_setup/credentials.json');
+
 const {
   loginExpectations,
   allDevicesExpectations,
@@ -136,4 +138,27 @@ describe('env: node script', () => {
       deviceVerifyAgain.params.switches[channel - 1].switch;
     expect(currentState).toBe(currentStateVerifyAgain);
   });
+
+  test('get channel count 1', async () => {
+    const result = await conn.getDeviceChannelCount(singleChannelDeviceId);
+    expect(typeof result).toBe('object');
+    expect(result.status).toBe('ok');
+    expect(result.switchesAmount).toBe(1);
+  });
+
+  test('get channel count 4', async () => {
+    const result = await conn.getDeviceChannelCount(fourChannelsDevice);
+    expect(typeof result).toBe('object');
+    expect(result.status).toBe('ok');
+    expect(result.switchesAmount).toBe(4);
+  });
+
+  test('get firmware version', async () => {
+    const device = await conn.getDevice(singleChannelDeviceId);
+    const currentVersion = device.params.fwVersion;
+    const firmware = await conn.getFirmwareVersion(singleChannelDeviceId);
+    expect(typeof firmware).toBe('object');
+    expect(firmware.status).toBe('ok');
+    expect(firmware.fwVersion).toBe(currentVersion);
+  });
 });
diff --git a/test/main-env-serverless.spec.js b/test/main-env-serverless.spec.js
index 99f0f0b..7c517d1 100644
--- a/test/main-env-serverless.spec.js
+++ b/test/main-env-serverless.spec.js
@@ -6,7 +6,9 @@ const {
   email,
   password,
   singleChannelDeviceId,
+  fourChannelsDevice,
 } = require('./_setup/credentials.json');
+
 const {
   loginExpectations,
   allDevicesExpectations,
@@ -90,4 +92,30 @@ describe('env: serverless', () => {
     const currentStateVerifyAgain = deviceVerifyAgain.params.switch;
     expect(currentState).toBe(currentStateVerifyAgain);
   });
+
+  test('get channel count 1', async () => {
+    const conn = new ewelink({ at: accessToken });
+    const result = await conn.getDeviceChannelCount(singleChannelDeviceId);
+    expect(typeof result).toBe('object');
+    expect(result.status).toBe('ok');
+    expect(result.switchesAmount).toBe(1);
+  });
+
+  test('get channel count 4', async () => {
+    const conn = new ewelink({ at: accessToken });
+    const result = await conn.getDeviceChannelCount(fourChannelsDevice);
+    expect(typeof result).toBe('object');
+    expect(result.status).toBe('ok');
+    expect(result.switchesAmount).toBe(4);
+  });
+
+  test('get device firmware version', async () => {
+    const conn = new ewelink({ at: accessToken });
+    const device = await conn.getDevice(singleChannelDeviceId);
+    const currentVersion = device.params.fwVersion;
+    const firmware = await conn.getFirmwareVersion(singleChannelDeviceId);
+    expect(typeof firmware).toBe('object');
+    expect(firmware.status).toBe('ok');
+    expect(firmware.fwVersion).toBe(currentVersion);
+  });
 });
diff --git a/test/main-invalid-credentials.spec.js b/test/main-invalid-credentials.spec.js
index ac11fa2..b818e29 100644
--- a/test/main-invalid-credentials.spec.js
+++ b/test/main-invalid-credentials.spec.js
@@ -5,6 +5,8 @@ const ewelink = require('../main');
 const {
   singleChannelDeviceId,
   deviceIdWithPower,
+  deviceIdWithTempAndHum,
+  fourChannelsDevice,
 } = require('./_setup/credentials.json');
 
 describe('invalid credentials', () => {
@@ -69,4 +71,50 @@ describe('invalid credentials', () => {
     expect(powerUsage.msg).toBe('Authentication error');
     expect(powerUsage.error).toBe(401);
   });
+
+  // test('get device current temperature should fail', async () => {
+  //   const conn = new ewelink({ email: 'invalid', password: 'credentials' });
+  //   const powerState = await conn.getDeviceCurrentTemperature(
+  //     deviceIdWithTempAndHum
+  //   );
+  //   expect(typeof powerState).toBe('object');
+  //   expect(powerUsage.msg).toBe('Authentication error');
+  //   expect(powerUsage.error).toBe(401);
+  // });
+
+  // test('get device current humidity should fail', async () => {
+  //   const conn = new ewelink({ email: 'invalid', password: 'credentials' });
+  //   const powerState = await conn.getDeviceCurrentHumidity(
+  //     deviceIdWithTempAndHum
+  //   );
+  //   expect(typeof powerState).toBe('object');
+  //   expect(powerUsage.msg).toBe('Authentication error');
+  //   expect(powerUsage.error).toBe(401);
+  // });
+
+  test('get channel count 1 should fail', async () => {
+    const conn = new ewelink({ email: 'invalid', password: 'credentials' });
+    const switchesAmount = await conn.getDeviceChannelCount(
+      singleChannelDeviceId
+    );
+    expect(typeof switchesAmount).toBe('object');
+    expect(switchesAmount.msg).toBe('Authentication error');
+    expect(switchesAmount.error).toBe(401);
+  });
+
+  test('get channel count 4 should fail', async () => {
+    const conn = new ewelink({ email: 'invalid', password: 'credentials' });
+    const switchesAmount = await conn.getDeviceChannelCount(fourChannelsDevice);
+    expect(typeof switchesAmount).toBe('object');
+    expect(switchesAmount.msg).toBe('Authentication error');
+    expect(switchesAmount.error).toBe(401);
+  });
+
+  test('get device firmware version should fail', async () => {
+    const conn = new ewelink({ email: 'invalid', password: 'credentials' });
+    const firmware = await conn.getFirmwareVersion(singleChannelDeviceId);
+    expect(typeof firmware).toBe('object');
+    expect(firmware.msg).toBe('Authentication error');
+    expect(firmware.error).toBe(401);
+  });
 });
diff --git a/test/main-valid-credentials.spec.js b/test/main-valid-credentials.spec.js
index 1678c9c..cf17e5b 100644
--- a/test/main-valid-credentials.spec.js
+++ b/test/main-valid-credentials.spec.js
@@ -86,6 +86,40 @@ describe('valid credentials, invalid device', () => {
     expect(typeof powerUsage).toBe('object');
     expect(powerUsage.error).toBe('No power usage data found.');
   });
+
+  test('get device current temperature should fail', async () => {
+    const conn = new ewelink({ email, password });
+    const temperature = await conn.getDeviceCurrentTemperature(
+      'invalid deviceid'
+    );
+    expect(typeof temperature).toBe('object');
+    expect(temperature.msg).toBe('Device does not exist');
+    expect(temperature.error).toBe(500);
+  });
+
+  test('get device current humidity should fail', async () => {
+    const conn = new ewelink({ email, password });
+    const humidity = await conn.getDeviceCurrentHumidity('invalid deviceid');
+    expect(typeof humidity).toBe('object');
+    expect(humidity.msg).toBe('Device does not exist');
+    expect(humidity.error).toBe(500);
+  });
+
+  test('get channel count should fail', async () => {
+    const conn = new ewelink({ email, password });
+    const switchesAmount = await conn.getDeviceChannelCount('invalid deviceid');
+    expect(typeof switchesAmount).toBe('object');
+    expect(switchesAmount.msg).toBe('Device does not exist');
+    expect(switchesAmount.error).toBe(500);
+  });
+
+  test('get device firmware version should fail', async () => {
+    const conn = new ewelink({ email, password });
+    const firmwareVersion = await conn.getFirmwareVersion('invalid deviceid');
+    expect(typeof firmwareVersion).toBe('object');
+    expect(firmwareVersion.msg).toBe('Device does not exist');
+    expect(firmwareVersion.error).toBe(500);
+  });
 });
 
 describe('valid credentials, wrong region', () => {
diff --git a/test/temperature-humidity.spec.js b/test/temperature-humidity.spec.js
new file mode 100644
index 0000000..cb485b7
--- /dev/null
+++ b/test/temperature-humidity.spec.js
@@ -0,0 +1,74 @@
+const ewelink = require('../main');
+
+const {
+  email,
+  password,
+  deviceIdWithTempAndHum,
+} = require('./_setup/credentials.json');
+
+describe.skip('current temerature and humidity: node script', () => {
+  let conn;
+
+  beforeAll(async () => {
+    conn = new ewelink({ email, password });
+    await conn.login();
+  });
+
+  test('should return current temperature', async () => {
+    const device = await conn.getDevice(deviceIdWithTempAndHum);
+    const { currentTemperature } = device.params;
+    const temperature = await conn.getDeviceCurrentTemperature(
+      deviceIdWithTempAndHum
+    );
+    expect(typeof temperature).toBe('object');
+    expect(temperature.status).toBe('ok');
+    expect(temperature.state).toBe(currentTemperature);
+  });
+
+  test('should return current humidity', async () => {
+    const device = await conn.getDevice(deviceIdWithTempAndHum);
+    const { currentHumidity } = device.params;
+    const humidity = await conn.getDeviceCurrentHumidity(
+      deviceIdWithTempAndHum
+    );
+    expect(typeof humidity).toBe('object');
+    expect(humidity.status).toBe('ok');
+    expect(humidity.state).toBe(currentHumidity);
+  });
+});
+
+describe('current temerature and humidity: serverless', () => {
+  let accessToken;
+  let apiKey;
+
+  beforeAll(async () => {
+    const conn = new ewelink({ email, password });
+    const login = await conn.login();
+    accessToken = login.at;
+    apiKey = login.user.apikey;
+  });
+
+  test('should return current temperature', async () => {
+    const conn = new ewelink({ at: accessToken, apiKey });
+    const device = await conn.getDevice(deviceIdWithTempAndHum);
+    const { currentTemperature } = device.params;
+    const temperature = await conn.getDeviceCurrentTemperature(
+      deviceIdWithTempAndHum
+    );
+    expect(typeof temperature).toBe('object');
+    expect(temperature.status).toBe('ok');
+    expect(temperature.state).toBe(currentTemperature);
+  });
+
+  test('should return current humidity', async () => {
+    const conn = new ewelink({ at: accessToken, apiKey });
+    const device = await conn.getDevice(deviceIdWithTempAndHum);
+    const { currentHumidity } = device.params;
+    const humidity = await conn.getDeviceCurrentHumidity(
+      deviceIdWithTempAndHum
+    );
+    expect(typeof humidity).toBe('object');
+    expect(humidity.status).toBe('ok');
+    expect(humidity.state).toBe(currentHumidity);
+  });
+});