Description: Input voltage: 85V-265V 50/60Hz Housing material: ABS PC V0 fireproof material Maximum current: 20A/4400W (resistive) WiFi Type: 2.4GHz 802.1 1b/g/n Applicable temperature: -20~60 Support APP: TUYA/Smart life Cell phone version: Android 4.4/iOS 9.0 or Later Specifications: 1. Support 20A high power 2. Prevent overload, over-voltage over-current under-voltage protection When the device is in a non-normal state, automatically cut off the power. To ensure safety! 3. With power statistics function, the real-time power of electrical appliances at a glance 4. Firm and reliable connection Strong current carrying capacity Enhance the reliability of the greater temperature range 5. Child lock function to prevent accidental touching, safer with electricity 6. Five timing methods: countdown / regular timing / cycle timing / random timing / point switch 7. Support Alexa, Google home and other smart speakers voice control 1. Install App & Create an Account Scan the QR code, or search "Tuya Smart" or "Smart Life" in App Store or Google Play to install it. Sign up an account and then log in. Choose either one App to install: Tuya Smart(Recommended) or Smart Life. No need to install both APPs. 2. Add Device: Please make sure the indicator light is blinking when you are adding every device. If the light doesn't blink, please long press the reset button and hold for 5 seconds to reset. Add WI-Fi Breaker: Enable cellphone Wi-Fi(2 .4GHz) and Bluetooth, confirm the indicator light is blinking, open App, tap "Add Device" or " ", several seconds later, App will ejecta window, tap "Go to add" to add device. Notes/Tips: a. Press and hold the reset button for 5s if the indicator is not blinking. b. The breaker can connect only 2.4GHz Wi-Fi network, not compatible with 5GHz Wi-Fi. C. If App doesn't eject a window, please add