[Programmable Schedule] Supports manual setup of 5+2, 6+1, and 7-day weekly schedules with up to 6 time periods per day, offering flexibility for different lifestyles and personalized temperature control. Includes Holiday Mode, Auto Mode, and Boost Mode. Choose separate Workday and Restday schedules. [Voice and Remote Control] Supports remote control via smartphone app. Compatible with Alexa and Google Assistant for hands-free voice control when connected to a Tuya/Smart Life App using a Tuya Zigbee Wireless Gateway. [Open Window Detection] Automatically detects sudden drops in room temperature. If the temperature falls below the set threshold, the valve closes for 15 minutes. If the temperature remains below the threshold after this period, the valve stays closed. Features an easy-to-read digital display showing temperature in Celsius. Specifications: Power Supply: 2 x AA 1.5V alkaline batteries (batteries not included) Maximum Current: 90 mA Operating Temperature Range: -10°C to 70°C Display Accuracy: ±0.5°C Temperature Adjustment Range: 5°C to 35°C Temperature Sensor: NTC (10kΩ, ±1%) Temperature Display Range: 1°C to 70°C Thread Size: M30×1.5 Insulation Condition: Normal environment Scheduling Cycle: 1 week Maximum Valve Stroke: 4.5 mm Color: White Material: Polycarbonate (PC) Dimensions: 94 × 56 mm Package Contents: 1 × Thermostat Radiator Valve Note: The actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.