Speed regulation gear: stepless speed regulation, power display, gear display
Input voltage/current: power supply voltage 110V-240V to 12V/12V-2A
Output power: 15W
Battery model/capacity: 21700/3.7V 15000 mA
LED power: 1W-3W
Usage time: 5-18H
Size: width27*thick21.3*height35.8CM