Used for: 1. Night:Do not turn on the lights when driving at night. Forgot to turn off the light when parking, the battery is out of power 2. Tunnel:Entering the tunnel without turning on the light is dangerous. Electronic monitoring and capture, penalty points deducted 3. Rain and fog:Ambiguous vision and low visibility in rainy and foggy weather 4. Evening:It's dark and I forgot to turn on the lights Function: 1. Automatic switch light 2. Delay mode It can avoid mistakenly turning on the lights when crossing when the weather is bright 3. Adjustable sensitivity 4. Battery protection After the key is turned to the ACC gear, the automatic function starts with a delay of ten seconds. Avoid turning on the headlights before starting the ignition. If you turn on the ignition immediately after inserting the key, the automatic headlights turn on within 1 second. Intelligently identify the ignition of the car. 5. Function configuration All functions can be turned on or off at any time. 6.