EPH Battery Operated Digital Room Thermostat, with RF Receiver

The EPH Battery Operated Digital Room Thermostat with RF Receiver is a digital RF programmable room thermostat and receiver suitable for controlling 1 heating zone. It features Optimum Start, TPI and On/Off control modes. Boiler Plus Compliant. Power supply: 2 x AA Alkaline Batteries, Power consumption: 2 mW, Battery replacement: Once a year, Temp. control range: 5 - 35 deg C.