1. High and low temperature resistance; 2. IP54 waterproof; 3. How to use: After a simple hole is opened, insert the light controller into the hole, lock the nut, connect the wires and it can be used. The installation is simple and fast. Name: JL-104A professional wiring light controller Automatic light sensor switch: Automatically turn on and off the light when it is dark and bright. Delayed light off: 20-120 seconds delayed light off to avoid being affected by car lights, -Pattern, flashlights, etc., which damage the life of the controller., Manufacturer: Akfldms