Wireless Hi/Lo Temperature Sensor for the EasyAlert Wireless Alarm System. Wireless sensor range of up to 1 mile (line of sight).
Hi/Lo Temperature Sensor monitors air temperatures. High and low temperature set points can be set between 40° and 110°F. Wireless, uses 4 AA batteries. Sensor is a pair of weatherproof thermostats with a built in transmitter. By using these mechanical thermostats it makes for a very reliable easy to use transmitter.