This module makes all smart. It supports to connect and control one ,which can turned on/off by app eWeLink. It works in self-locking mode. In self-locking mode, users can turn on/off the 1 connected devices independently. It supports presetting the range for temperature. When the temperature of your home environment falls within the range, it will automatically turn on or off the connected devices. Features: 1. Real-time temperature monitoring; 2. Remote intelligent control; 3. With a casing; 4. Support power supply output; 5. Support 16A high current load; 6. Support 8 groups control modes; 7. Ultra high monitoring accuracy Features: 8. Supports status tracking, status feedback to App; 9. Support share control; 10. Support IOS and Android; 11. Easy installation, easy handling and can be activated immediately and stably; 12. APP supports multiple languages; 13. Support power supply output -16 Parameters: 1. Product Name:-16 DS18B20 Temperature Monitor 2. Product Number:-16 3. Working voltage: AC 85~250V 4. Load voltage: AC 85-250V 5. Load current:16A(max) 6. WIFI standard:2.4GHz b/g 7. Operating Temperature:-40~85Celsius 8. -16 Size:93 x 55 x 30mm color:As shown Material:plastic Package Contents: 1 x Temperature 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.