App support: iOS and Android mobile app Tuya Smart/Smart Life. Real-time monitoring: Monitor real-time temperature/humidity. Remote On/Off: Use high-precision sensors to turn on/off electrical equipment from anywhere. Trigger smart scenes: Use the temperature value as the trigger condition for smart scenes to trigger the power on and off of other Tuya smart devices. Voice Control: Compatible with for Alexa, Home, Yandex . Specification: Input voltage: AC 85V~250V 50/60Hz Maximum current: 20A Maximum load: 3000W Wireless standard: ZIGBEE 3.0 Security mechanism: WPA-/WPA2- Control APP: Tuya Smart/Smart Life Platform: Available for Android, iOS Gangs: 1 Shell material: flame retardant ABS V0 Humidity: 5%-90%RH, non-condensing Working temperature: -20-80 Working humidity: 80% Sensor length: 2m Notice:All functions of this switch must work under the Tuya ZIGBEE gateway. Please confirm that you have a ZIGBEE gateway before purchasing. There are differences in the appearance label printing due to different batches, which does not affect the use Colour: White Material: plastic Package Contents: 1x Smart Switch 1x 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.