This product is specially designed for auto modification fancier、it will bring more driving fun to driversWireless Design. No more troubles of making holesCourtesy door light make your car artistic moreover the atmosphere.The dazzle logo light will display on the ground when you open the car door and it will be turn off when you close the door*Easy to install:Stick the light with adhesive tape to the car doors、and attach the magnet to the thresholdThe light should be aligned with the magnet areaMagnet sensor design. It will light up when you open the door and turn off once you close the doorThere is ON/OFF switch to mandatory control the lightPowered by 3 x AAA batteries ( Not included )Note: the actual base color of the picture is clear、which is depend on the projection area*Specification:Distance between the magnet and sensor area:light off below 2cm、light on over 2cmSize:6.5 x 6.3cmMaterial:ABSWorking voltage:4.5v*Package:2 x car projector2 x vampire film2 x magnet