Tuya zigbe (ZG253) supports Zigbee3.0 protocol and Tuya app.

Specifications:
Product Name: Tuya Smart Thermostat Radiator Valve

Model: Tuya zigbe (ZG253)
Size: Φ55x94.3 mm
Power: 2 pcs AA batteries
Temperature Range: 5-30℃, correct to 0.5℃
Threaded Connection: M30 x 1.5 mm (includes adapters for Danfoss RA, RAV, RAVL, M28, Caleffi, and Giacomini - 6 adapters)
Working Temperature: -10-50℃
Working Humidity: Up to 90%

Features:
1. Temperature Schedule Setting: Customize temperature schedules for automatic heating control and energy efficiency.
2. Window Open Detection: Automatically detects open windows and adjusts the heating to save energy.
3. App Remote Control: Manage and control your thermostat from anywhere using the dedicated mobile app.
4. Voice Control: Compatible with Alexa and Google Assistance for hands-free control.

Package Include:
1 x Tuya zigbe Smart Thermostat Radiator Valve