The Samsung MRW-TA is an external room temperature sensor designed specifically for use with Samsung DVM air conditioning systems. By measuring the ambient temperature outside the indoor unit's chassis, it allows for more precise climate control throughout your space. This white accessory features a compact design, measuring 1 15/16" wide by 2 5/16" high and 13/16" deep. To ensure flexible installation, it comes with a 39-foot connection wire and a complete mounting kit that includes screws, a gasket, cable ties, a PCB adapter, and wire connectors.