Features: Manage heating system with ease use the Thermostatic Temperature Control. Enjoy customized temperature control and scheduling for comfort. This device features a user friendly design, making it space saving and resistant to impact. Its protocol ensures easy operation. For individuals interested in convenient temperature control, this product caters to a wide of users. Perfect for residential use, this device is suitable for households look modernize their heating system with technology. Experience efficient temperature management with the Thermostatic Temperature Control – a practical addition to any home. Specifications: Material: Plastic Frequency: 2.4GHz Thread: M30x1.5mm Battery: 2x1.5VAA(NOT Included) Working Temperature: -10 to 40℃ Zigbee Standard: IEEE802.15.4 Size: About. 7.7x5.15cm/3.03x2.03in Package Includes: 1x Radiators Actuators note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the items actual color.