DC 7-32v Relay Module Remote Control Light Switch Work With Alexa Google Home Tuya Smart Hub Gateway Bridge he Switch is a ZigBee-enabled inching/self-lock smart switch that is compatible with different hubs, including Bridge, Amazon Hub, Samsung SmartThings Hub and Philips Hue Hub,tuya smart Bridge.The ZigBee3.0 protocol gets the switch and bridge to be paired in a quick way. The switch is safer to use in you home that is promised by the fire-proof and flame-retardant shell. Additionally, AES-128 encryption ensures the safety is extended to data device privacy, no worry about privacy disclosure of your device. It can be as a router to help transmit the signal to ensure a stable connection when multiple devices are used for your home. Parameters: lnput voltage: DC/AC 7V~32V Max.Current:2200W/10A wireless Standard:Zigbee Working temperature: -20~70 Note: 1CH and 4CH receivers do not include shell and 2CH receivers include shell Checklist before using the device You need to have a gateway. Try to be close to the gateway when pairing. 433MHz Remote Control: Operating voltage: DC12V (27A/12V Without battery) Transmitting frequency: 433MHz Encoding Type: Learning code Transmission distance : 10-100M (Open field) Free screwdriver