The Heat Pump Controller, ZigBee Pro, 3H/2C, PIR motion sensor SE7600H5545P is a programmable thermostat designed for HVAC systems. This white rectangular unit is powered by a corded electric source and is made of plastic. It features push button and digital control style, and is compatible with heat pumps. The controller also includes a Zigbee smart home protocol for convenient connectivity. With 3 cool stages and a 2C model, this controller is a reliable choice for managing your heating and cooling systems.