Zigbee3.0 wireless protocol Detect the temperature and humidity in the environment The status can be checked through the mobile phone One-click to add devices quickly Working voltage: 3V Standby current: ≤ 5uA Battery type: CR2450 Working temperature:- 10~55°C Working humidity: 0%~99%RH Wireless distance: ≥ 100 meters (open distance) Product size: Φ40×13mm