APP Remote Control As long as your phone has a data network, you can control the switch anywhere and at any time by the eWelink App APP can check the real-time status of switch and the temperature values at any time Waterproof temperature sensor are suitable for various scenarios such as baby rooms, storage rooms, greenhouse planting, and greenhouse cultivation You can set a schedule , timer or loop timer to automatically switch on/off Voice control Input voltage: AC85~250V 50/60Hz Output voltage: AC85~250V 50/60Hz Max.Current: 20A Max.load: 3800W (Resistive) Wi-Fi Standard: Wi-Fi 2.4Ghz b/g/n+Bluetooth Working temperature: -20~80 Working humidity: 80% Material: ABS Colour:White Package Contents: 1 x Temperature Switch(with 2M Temperature Sensor) 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.