The Danfoss 087N653200 Electronic Mechanical Programmer Timeswitch is a programmable thermostat designed for controlling heating and cooling systems. This rectangular-shaped device is made of white plastic and operates at 240V line voltage. With its temperature sensor technology and rotary knob control style, it allows for programming of 2 periods per day. The system switching feature is automatic, making it convenient for use in any room or storage space in the home. This reliable brand offers a programmable solution for maintaining optimal indoor temperatures.