Aercus Instruments WH31A Sensor Temperature Humitdity Multi-channel 868MHz

• Extra Sensor, Temperature, Humidity, 868MHz, Ecowitt-compatible

Add an extra temperature sensor to your Aercus Instruments WeatherMaster. One comes supplied with the display, but you can add seven more to gather temperature and humidity information in other rooms such as a garage, greenhouse, cellar or kid's bedroom. Simple to set up. Frequency: 868MHz Channels: 8 selectable Remote sensors: 2 x AA 1.5V Alkaline batteries (not included) Battery life: Up to 24 months for thermometer-hygrometer sensor (use lithium batteries in cold weather climates) For Model: HP2550 and compatible with Ecowitt 868MHz models