App Support: Free iOS and for Android mobile App Tuya Smart / Smart Life. Sync Status: Real-time device status provided to App. Real-time monitor: Monitor real-time temperature. Real-time monitoring. Remote ON/OFF: Turn electrical devices on/off from anywhere, with high accuracy temperature waterproof DS18B20 sensor. Share Control: Control your together with your family. Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time. Auto Mode: Set Auto mode to turn on/off at a specified temp. range. Manual Mode: Set manual mode to turn on/off immediately. Trigger Smart Scene: The temp. value works as smart scene trigger conditions to trigger on/off other tuya smart devices. Voice Control: Compatible with "Amazon" , for Google Home, for . Waterproof temperature sensor with stainless steel temperature probe, high accuracy, wide usage in daily life. Input voltage: AC 85-250V Input current: Max 16A Max. : 3000W(16A) Wireless Standard: 2.4GHz, 802.11 b/g Security Mechanism: WPA-PSK/WPA2-PSK Control mode: Mobile APP Tuya smart / Smart Life Platform: for Android, iOS Gang: 1 Support temperature sensor: DS18B20. Enclosure Material: Fire-retardant ABS V0 Operating Temperature: 0C-40C Smart Switch Size: 94x57x32 (mm) DS18B20 Sensor Specifications: Type: Waterproof temperature sensor Probe: Stainless steel temperature probe Temperature Measuring Range: -55~+125 Operating Voltage: 3.0-5.5V Weight: 26g Length: 1m Colour:As shown Material:plastic Package Contents: 1 x Smart Switch 1 x DS18B20 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.