The HEIMAN Temperature & Humidity Sensor Zigbee monitors and reports environmental conditions with high-precision sensors, sending temperature and humidity data to a Zigbee 3.0 gateway. The sensor features a large display for direct readings and operates on a low-power CR2450 battery. Features: resolution of 0.1°C and 0.1% humidity, compact design, 2-year battery life, working temperature of -10°C to +55°C, and Zigbee 3.0 wireless communication.