Zigbee 1/2/4 Channel Switch Module Relay makes your home smarter The Switch is a ZigBee-enabled Interlock/Jog/self-locking smart switch that is compatible with different hubs, including SONOFF Bridge, Hub, Samsung SmartThings Hub and Philips Hue Hub,tuya smart Bridge.The ZigBee3.0 protocol gets the switch and ZigBee 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 Zigbee router to help transmit the ZigBee signal to ensure a stable connection when multiple Zigbee devices are used for your home. Checklist before using the device 1) Your smartphone or tablet has been connected to a 2.4G WiFi capable of acceing the Internet (5G WiFi is not currently supported)2) The mobile phone or tablet using the Android system must be an Android version above 4.03) If your wirele router has set MAC addre filtering, please enter the router background and turn off the MAC filtering function4) Must be used in conjunction with Zigbee gateway.You need to have a Zigbee gateway.Try to be close to the Zigbee gateway when pairing. Description: Working voltage: AC/DC 7-32V / USB 5V or AC 85-250V /