Fangrui Product Details This Product Is A Universal Switch For Your Zigbee Smart Home System, Which Can Automatically Turn On/off Any Electrical Appliance Remotely Through The Mobile Phone App When The Ambient Temperature Is Within This Range, It Will Automatically Turn On Or Off The Connected Device. It Also Supports Timed On/off And Supports Preset Temperature Ranges. Used With Th16 Smart Switches And Sensors, It Can Make Your Home Smarter Application Support: Free Ios And Android Mobile Applications Tuya Smart/smart Life Synchronize Status, Real-time Monitoring: Provide Real-time Device Status To The Application, Monitor Real-time Temperature/humidity Remote On/off: Use High-precision Sensors To Turn On/off Electrical Devices From Anywhere. Shared Control, Control Your Smart Home With Your Family. Voice Control: Compatible With Amazon Alexa, Google Home, Yandex Alice Input Voltage: Ac 85v-250v 50/60hz Maximum Current: 16a Maximum Load: 3000w Wireless Standard: Zigbee 3.0 Security Mechanism: Wpa-psk/wpa2-psk Control App: Tuy Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.