1. Bulb: COB+3030 2. Power: 6W+5W 3. Running time: 2 hours under strong light 4. Material: aluminum alloy 5. Size: 16.5x3.8cm 6. Weight: 174g 7. Battery: 1 x 18650 (battery not included) 8. Charging method: Micro USB charging 9. Function: main light (strong + weak) dome light 10. Remarks: move up and down, there is a magnet at the tail