Bulb: OSRAM LED

Battery: 3.7V 500 mAh

Max output: 120 Lumens

Function: High (120 lm) – Low (25 lm) – OFF

Run time: 2.5 hrs (High) , 15 hrs (Low)

Recharging time: 1.5 hrs

Adaptor : 5V 1A

Water proof : IPX4

Beam Distance: 150 meters

Size: 151 x 15.2 x 18 MM

N.W.: 46 g (Excluded battery)

Magnet on the bottom，Pen clip.