Specifications Encoding method:Learning code Hign-concerned Chemical:None Model Number:eWeLink Origin:Mainland China Certification:CE Working mode:inching /self-locking Input voltage:5V/7-32V or 5V/85-250V Wireless Protocol:WiFi 2.4GHz(NOT support 5GHz) Product Features:DIY Relay Voice Control:Alexa , Google Home For A:Garage door open/close by phone APP For B:Garage door open/close by schedule For C:Garage door open/close with APP For D:Garage Gate Opener For E:Smart garage door opener Use for 1.Remotely give a pulse signal to turn on/off Lights,Lamps and other home appliance. 2.Remotely give a pulse signal to turn on/off Garage Door,Door Access What can I use it for? *Connect a light, remotely control the switch of the light.Connect a light, remotely control the switch of the light, and can also switch on and off regularly 19:00 On 21:00 Off *Open your curtains regularly 7:00 *Change the water for the fish tank regularly *Use mobile phone or voice control Garage door switch *Control your heater remotely *And your coffee machine *Connect a water pump, remote control or timer switch More functions waiting for you to discover. DIY *App Support: Free iOS and for Android mobile App eWeLink. *Sync Status: Real-time device status provided to App. *Remote ON/OFF: Turn electrical devices on/off remotely from anywhere. *RF Remote control: Turn on/off by 2.4G RF Remote indoors. *2 Working Modes: inching /self-locking. *Independent control: Control each gang separately in APP eWeLink. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. Overview: [ APP Control ] Just tap on tuya smart life App to turn on a light anytime and anywhere. A lighted house anticipates your arrival [ Timer & Schedule ] Set up timing schedules to save the trouble of overcooking the dish [ Hands-free Voice Control ] Compatible with Alexa & Google Home, the smart switch allows you to control lights on/off with your voice [ Share Control ] Share control of your home appliances to your family or friends so that they can also control the devices remotely [ 2 Working Modes ] inching /self-locking [ RF Function ] Choose the wifi switch with RF function, work with 2.4G Remote Control [ Universal DIY ] Compatible with any household appliances (AC DC7-32V 85-250V 10A 2200W )The small module has DIY capability for users with basic electrician knowledge [ Simple Operation ] Directly connect to the app after installation, use the same WIFI, and control by EWELINK APP Parameters: lnput voltage: DC/AC 7V~32V/USB 5V, AC 85-250V/USB 5V Max.Current:2000W /10A/gang Max.load:2200W / 10A/gang Wireless:Wi-Fi 2.4ghz b/g/ n Frequency radio:433 Working temperature: -20C~70 Size:69*41*20mm APP Remote Control Just tap on eWweLink App to turn ona light anytime and anywhere. Note: Can be used with 1527 Learning Code 433 remote control (batteries not included)