Bulb: OSRAM + 1 watt LED

Battery: 3.7V 1500 mAh

Max output: 500 Lumens

Function:Low (OSRAM) – High (OSRAM) –ON(1 Watt) – OFF

Hold and press , Adjust the brightness stepless by stepless.

Run time: 3 hrs (OSRAM) ; 10 hrs (1 Watt)

Recharging time: 3 hrs (USB charging port)

Adaptor : 5V 1A

Beam Distance: 37 meters

Waterproof: IPX4

Size: 106.5 x 42 x 25MM

N.W.: 86 g