... pumps,thermal actuators, zone values and electric heating systems(<10A). In combination with other R5001 room units and RC01 receivers it ... light conditions5,Reliable RF communication utilising 433 MHz band with 1 % duty cycle limit to minimise communication disturbance6, ... : 2 AA batteries4, Battery Life: 6-12 months5, Sensing Element: NTC6, Operating Temperature: 0~457, Storage Temperature: -20~558 ...