Description: The SONOFF Smart Zigbee Bridge is with strong connectiity and limitless possibility, supporting to add Zigbee devices that SONOFF has released, like S31 Lite Zigbee smart plug and BASICZBR3 DIY smart switch, etc. to make your home smarter. Long-distance signal transmission, never worry about that the Zigbee signal quality is affected by the wall. Add a plug-in sub-device on the bridge and it can act as a router to ensure communitcation between the Bridge and the battery-powered sub-device. You deserve to have one Features: * Remotely control ZigBee and Wi-Fi devices on eWeLink APP. * One-tap quick pairing all sub-devices to be connected. * Long-distance ZigBee signal transmission covers almost your entire home. * Compatible with a wide variety of SONOFF ZigBee smart plugs, switches, wireless switch and sensors for more smart scenes. * Hands-free voice control, compatible perfectly with Amazon Alexa and for Google Home. * Support device sharing with your family to control together. * Group devices and access to control them via the home page of APP instead of sub-devices. * View your home on either of them via adding a camera on the Bridge or sub-device. * Works with other smart devices certified by ZigBee Alliance. ZBBridge Specifications: Model: ZBBridge Input: 5V 1A Wireless: WI-FI IEEE 802.11 b/g/n, 2.4GHz Connections: ZigBee 3.0 Working environment: -10C~40C Material: PC V0 Item Weight: 35g Item Size: 62*62*20mm Zigbee Wireless Door/Window Sensor Specifications: Model: SNZB-04 Battery: 3V CR2032 (included) Wireless protocol: Zigbee (IEEE 802.15.4) Working environment: -10C~40C Material: PC Magnet Size: 32 * 15.6 * 13mm Magnet Weight: 5.3g Sensor Size: 47 * 27 * 135mm Sensor Weight: 18g Zigbee PIR Motion Sensor Specifications: Model: SNZB-03 Battery: 3V CR2450 (included) Wireless protocol: Zigbee (IEEE 802.15.4) Detection distance: 6m@ 25 Detection angle: 110 degrees Working environment: -10C~40C Material: PC Item Weight: 19g Item Size: 35*39*28mm Packing List: 1 * SONOFF ZBBridge 1 * SONOFF Zigbee Wireless Door/Window Sensor 1 * SONOFF Zigbee PIR Motion Sensor