The ME167 Zigbee intelligent heat sink thermostat is based on the low-power graffiti Zigbee 3.0 module. It aims to replace traditional manual valve controllers for radiators. Graffiti cloud technology enables it to have intelligent functions such as application control, voice control, programming for 4 time periods/day per week, child lock, and home sharing. We provide valve installation accessories that are compatible with over 90% of radiator valves on the market.