Illuminated Door Sill for Atto 3Magnetic suction design, can be directly adsorbed on the door sill of the car. No wiring required, easy to install. Rechargeable with USB port, one charge can be used for 3 months. With light sensor, automatically senses the door opening and closing. 7 colors and 3 modes adjustable. The text on the panel can be customized according to your requirements. For customization, please send us an email, the time for custom production is 3 days shipping.