Specifications Brand SONOFFModel ZBBridge UNetwork Interface Type RJ45 10 100Mbps Power Supply Interface Type Type CCasing Materials PC ABSWorking Temperature 10°C 40°CWorking Humidity 5 95 RH non condensingRating 5V 1AWireless Connectivity Wi Fi IEEE 802 11b g n 2 4GHz Zigbee 3 0Features 1 Wired Ethernet Connection Ensures a stable and fast connection via RJ45 port 2 Supports 256 Sub Devices Manage up to 256 Zigbee3 0 sub devices seamlessly 3 Voice Control Compatible with Alexa and Google Home for hands free control 4 Advanced Processor 1 5GHz Dual core CPU with 1GB DDR4 memory and 8GB eMMC storage 5 Smart Home Ecosystem Integration Works with Apple Home Alexa Google Home and more 6 OTA Upgrade Supports Over the Air updates for sub device upgrades Package Includes 1 x Zigbee3 0 Bridge1 x Network Cable 1m 1 x Quick Guide1 x USB Type C Cable 1m