The service life is up to 8000 hours. Ultra-thin as paper, uniform brightness, hardly occupying the interior space of the car, only 0.35mm thick. Extremely low power consumption, only 1mW per square centimeter of . The light is uniform and soft, without dazzling, flickering, radiation, and gorgeous color. Strong weather resistance: the luminous effect will not be affected by the vibration of the vehicle during driving. It does not generate heat during operation, has good fog permeability, and does not produce harmful rays. Light color:blue Usage:Stick the luminous car sticker to the window, arrange , connect the driver, and turn on the driver switch to light up Type:Good Colour:As Shown Material:ABS Size:Connecting Cable Length:60cm Package Contents: 1 x Car sticker 1 x Connection line 1 x Driver (Without 2xAAA Battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.