App Support: Free For iOS and for Android mobile App For . Sync Status: Real-time device status provided to App. Real-time monitor: Monitor real-time temperature humidity. Remote On or Off: Use high-precision sensors to turn on or off electrical equipment from anywhere. Share Control: Control your smart home together with your family. Timing: Supports 8 enabled countdown or single or repeat timing tasks to turn on or off at specified time. Auto Mode: Set Auto mode to turn on or off at a specified temp. range. Manual Mode: Set manual mode to turn on or off immediately. Trigger Smart Scene: The temp. value works as smart scene trigger conditions to trigger on or off other devices. Voice Control: Compatible with for "" Alexa, for Home, for Nest. Waterproof with stainless steel temperature probe, high accuracy, wide usage in . Input voltage: AC 85-250V, Micro-USB 5V input. Output: Signal output only, no voltage output. Input current: Max 10A Wireless Standard: 2.4GHz, 802.11 b or g Security Mechanism: WPA- or WPA2- Control mode: Mobile APP Humidity: 5percent -90percent RH, Non-condensing Operating Temperature: 0C-40C Colour:WhiteandBlack Material:ABS Specifications: B: switch and temperature and humidity sensor Package Contents: 1 x Smart Switch 1 x Temperature and humidity sensors 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.