Certification: CE, FCC, RoHS Is a smart device: YES Model Number: WHDZ01 Extension cable length: none Rated current: 16A Grounded: Ungrounded Standard: 84*50*50mm - Use shape: rectangular voice control: Google Home Amazon Alexa ECHO support app: Smart Life and Tuya support system: IOS and Android Input Voltage: AC 100~240V, 50/60Hz Wi-Fi Standard: 2.4GHz 802.11b/g/n Feature 1: Wireless. Feature 2: Voice Control Feature 3: Timing Function Feature 4: Power Monitor Feature 5: Countdown Function Features 6: Remote Control Outgoing products should be tested and quality tested by instruments and quality inspectors. Only qualified and high quality products can be delivered to you. With me, make home appliances smarter Only 3 steps Step 1: Search Smart Life or TuyaSmart on APP Store, Google Play or scan the QR code on the user manual to download and install it. 2nd step : Plug the plug into an AC outlet and long press the main power button until the light flashes. Step 3: Open Smart Life or Tuya Smart App, discover and add device in the app, then complete the setup according to the guide.