Auto Headlight Switch, Automatic On/Off Light Sensor Module for Night Driving with Weatherproof Design, Compatible with Mk4 Sierra Silverado for Inter

▷【Automatic On/Off Function】--When you use the utility switch module of auto headlight switch, you can easily set the switch to automatic. When the ambient brightness is lower/higher than the set value, the light will automatically turn on/off for daily use. Leave the homepage: only support headlights ▷【Multiple Lighting Modes】--Mk4 auto headlight switch has four modes to choose and adjust,1. Tunnel mode (reaction time: 1s); 2. Normal mode (reaction time: 3s); 3. Delay mode (reaction time: 5 seconds), can be set according to your choice ▷【Flexible Response】--The headlight switch sensor module automatically turns on the headlights within 1 second. auto headlightight switch has a fast response speed and flexible control ▷【Sturdy Plastic】--Brand new after-sales headlight control switch. auto headlight switch has a sturdy plastic shell, which is not easy to break, and is super It can directly replace old or damaged headlight switches and is easy to install. OEM reference: 1C0941531, 3BD941531, 3BD941531A ▷【Extended Life】-- The lamp will automatically go out before the car starts; after the car starts, the light will be on after 3s; It will save energy, improve efficiency, and extend battery life