The SONOFF Zigbee Bridge Pro is a smart gateway that supports both Zigbee 3.0 and WiFi connectivity. It has a compact design with dimensions of 62×62×20mm and a weight of 35g. The device is compatible with adapters and sensors, and features 128 sub-devices. It is certified for FCC and CE compliance, and comes with a 6-month manufacturer warranty. The Zigbee Bridge Pro is designed for use in a temperature range of -10ºC-40ºC (14°F-104°F) and is manufactured by Sonoff in China.