The CH7500 is a professional-grade Universal Thermostat engineered for the rigorous demands of the North American commercial and residential markets. Optimized for 3H/2C multi-stage heat pump and conventional systems, it features seamless 2.4GHz WiFi connectivity for convenient App/Cloud management. Whether you are integrating into a BMS via BACnet or performing a rapid smart retrofit, the CH7500 provides the reliability and flexibility that modern HVAC professionals require. Item No.: CH7500 Premium LCD Display: Large, high-contrast segmented LCD screen for clear visibility and tactile reliability System Versatility: Supports up to 3 Stages Heating and 2 Stages Cooling (3H/2C) Universal Compatibility: Seamlessly works with Heat Pump (with/without Aux), Gas, Oil, and Electric systems Smart Home Ready: Full voice control support with Amazon Alexa and Google Assistant Power Supply: Designed for stable operation with standard 24V AC power App Integration: Remote management via Tuya Smart or Smart Life App (iOS/Android)