Features: App Support: Free iOS and for Android mobile App eWeLink. Sync Status: Real-time device status provided to App. Real-time monitor: Monitor real-time temperature. Remote ON/OFF: Turn electrical devices on/off from anywhere, with high accuracy temperature waterproof DS18B20 sensor. Share Control: Control your 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 eWeLink devices. Voice Control: Compatible with "Amazon" , for Google Home, for . Waterproof temperature sensor with stainless steel temperature probe, high accuracy, wide usage in . Overview: This item is a universal switch for your system to remotely and automatically turn on/off any appliances by phone APP. When the temperature of the environment falls within the range, it will automatically turn on or off the connected devices. It also supports timing turning on/off the appliances and supports presetting the range for temperature. Work with the -16 Smart Switch and the waterproof DS18B20 sensor, you can make your home smarter. -16 Smart SwitchSpecifications: Input voltage: AC 85-250V Input current: Max 16A Max. Power: 3500W(16A) Wireless Standard: 2.4GHz, 802.11 b/g Security Mechanism: WPA-/WPA2- Control mode: Mobile APP EWeLink Platform: for Android, iOS : 1 Support temperature sensor: DS18B20 (not support humidity sensor now) Enclosure : Fire-retardant ABS V0 Humidity: 5%-90%RH, Non-condensing Operating Temperature: 0C-40C -16Smart Switch Size: 94 x 57 x 32 (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 color: White : plastic Length: 1m Package Contents: 1 x Smart Switch 1 x 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.