Descriptions Voltage: 12V Material: ABS Light source: LED LED number: 3PCS Light color: Cold White Power Source: 23A 12V Battery(Not included) Installation: 1: First open the hinge screws on the back sheet 2: The screws and hinges of the back sheet are screwed together 3: this LED lighting requires battery 4: the led lighting pre-installed in the card on a good film 5: The thickest clamping is completed Package List: 10pcs Hinge Lights(Batteries are not included) Notes： 1. There may be 1-2cm difference according to manual measurement. 2. Slight color difference should be acceptable due to the light and different screen. .