App support: Free iOS and Android mobile app Tuya Smart / Smart Life. Sync Status: Provides real-time device status to the application. Real-time monitoring: monitor real-time temperature/humidity. Shared Control: Control your smart home with your family. Remote On/Off: Use high-precision sensors to turn on/off electrical equipment from anywhere. Supports 8 enabled countdown/single/repeat scheduled tasks to turn on/off at the specified time.Set automatic mode to turn on/off at specified temperature. scope. Set manual mode to turn on/off instantly. The temperature value is used as a smart scene trigger condition to trigger the on/off of other Tuya Smart devices. Voice Control: Compatible with "" Alexa, Home, Yandex . Waterproof temperature sensor (temperature switch only), using stainless steel temperature probe, high accuracy, widely used in . Specifications: B: Input 85-250V Colour:White Material:Plastic Package Contents: 1x Tuya Smart WiFi 4 Channel Relay 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.