Bulb: 0.5 watt LED + 2 watt COB
Battery: 3.7V 750 mAh
Max output: 150 Lumens Function: Low (COB) – High (COB) –ON(0.5 Watt) – OFF 
Run time: 2 hrs (COB) ; 4 hrs (0.5 watt)
Recharging time: 2 hrs (USB charging port)
Adaptor : 5V 1A
Beam Distance: 43 meters
Size: 156 x 30 x 23 MM
N.W.:84 g
Magnet on bottom
 Hook and Clip on back
Power indicator
TPR rubber cover the housing
Using it as flashlight
USB rechargeable port,so you can charge it by USB line.