Remote Accessibility via App: Stay in control with the TuyaSmart/Smart Life app for remote adjustments. Girier Zigbee/Girier Smart Thermostat/High Precision Temperature Control: Achieve optimal comfort with 1℃ accuracy, thanks to the advanced PID algorithm. Smart Scheduling and Energy Efficiency: Programmable heating timer and Eco mode for customized energy savings. Easy Voice Control Integration: Seamlessly integrate with and Home for hands-free operation. Versatile Compatibility: Fits 98%+ of radiator valves, including M30x1.5mm, M28x1.5mm, and standards. Power Supply:2 x 1.5V batteries(Not included batteries) Color:White Material:plastic Package Contents: 1 * Smart Radiator Thermostat 2 * Accessories 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.