Support Most 24VAC HVAC System, Such as Heat Pump, PTAC, Boiler etc Support Intuitive 4.2-inch Display Support Remote Control Support 4 Temperature Modes and 3 Fan Modes for Flexible Support 4 Working Modes and Allow Up to 16 Schedules for Each Mode Built-in Temperature Sensor, Enabling Real-time Monitoring and Threshold Alarm Store Locally 1000 Records and Support Retransmission Advanced Features: Milesight D2D Controller Compatible with Milesight IoT CloudIP30 Rated" "Operating Temperature:-4°F ~ 140°F (-20°C ~ 60°C) Relative Humidity: 0% ~ 95% (Non-condensing)