10PCS DC 7-32v 85-250V Relay Module Remote Control Light Switch Work With Alexa Google Home Sonoff/Tuya Smart Hub Gateway Bridge he Switch is a ZigBee-enabled inching/self-lock smart switch that is compatible with different hubs, including SONOFF 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,AC 85-250V Max.Current:2200W/10A wireless Standard:Zigbee Working temperature: -20~70 Size: 69*41*20mm Checklist before using the device You need to have a gateway. Try to be close to the gateway when pairing.