Description: 1. Headlight will be turned on when the car enters dark place, such as tunnel... 2. Headlight will delayed to turn off while parking in the evening, light up your way home. 3. Car locating function. Use remote control to unlock the car, the headlight will be turned on to locate car's postion, and then goes off automatically. 4. 3 LED bulb warning light, alert function.(Default function) 5. It can memorize surrounding light intensity to adjust luminous sensitivity. Specification: Voltage: 12V Current: Under 15mA Maxi Wattage: 36W*3 Light Delay Time: 20s, 30s, 40s UNIVERSAL FOR ALL CARS. INSTALLATION INSTRUCTIONS ARE INCLUDED. OPERATIONS: 1. On/Off System: Press On/Off button 2. Set up headlight delay time: A, Press * once, LED of 20 seconds light is on, means headlight will be dalayed for 20s. B, Press * once again, LED of 30 seconds light is on, means headlight will be dalayed for 30s. C, Press * again, LED of 40 seconds light is on, means headlight will be dalayed for 40s. D, Press * again, none of LED light is on, means headlight delay function is switched off. 3. Adjust system luminous sensitivity(Set up this function in wild open area, do not set up without nature light, for example indoor or under tree.) This system adopts optical code technology which transforms nature light into code to memorized in computer chip. You can choose the most suitable light intensity and have it memorized in the system. System open, under the condition of lock open, press * 3 seconds till 3 LED light blinks, means succeed to nature light. From that on, the headlight will automatically open. Package Includes: 1 Piece Mainframe 1 Piece Cable 1 Piece Sensor 1 Piece Instruction