No drill installation to avoid harming the car appearanceSize: 62*67*14mm ; Color: BlackPower Supply: 3 x AAA battery (Not Included)Life Span: 80000-100000 HoursSensor control and ON/OFF switch control2 pieces of lights in package， it supports for 2 doors.NOTE: Keep door panel clear and dry ， stick it with all your power ; If it falls in future， contact us for help.