WIRELESS & POWER :- wireless car door warning light No need to cut and wires, easy to install by sticking on the door with the self-gum; with CR2032 battery, screw cap for easy replacement of battery. car led light UNIVERSAL DESIGN: No Extra Battery Wirings Required, Enhances Your Car Looks. 3V Cr2 Batteries Freely Provided With Products. car door open light Fit for any cars, SUV, truck. Wireless design, wireless car door warning light do not destroy the original car lines, only need to stick them at the door, car led light. 3 MODES FLASHING:- 0-7 Seconds: All Led Rapid Flashing. 7-60 Seconds: Each Led Sequential Flashing. 60-110 seconds: Each Led Slow Swirl Flashing. Automatic power off after 110 second. car interior lights led car indicator led light. WATERPROOF DESIGN: Car led light Soaked in water for 30 minutes, still can work. High-tech component sensing through the IR chip program control, increase the sensitivity, to maintain the stability of the product.car door led lights car door warning lights. LONG BATTERY LIFE: You have to keep the battery in green circuit board  door flash light The product is the use of CR2032 button battery (The Battery is Included), through testing, at normal operating condition, you can use 1-1.5 years, screw cap design, can replace the battery easily car magnetic light. Car light accessories. Important note:- While you receive the product make sure to insert the battery's in green circuits board, then only it will start.