Product Name: telescopic head focusing bicycle headlights bicycle headlights

Lighting: LED

Color: Black Titanium grey blue

Lamp life: 100000 hours

Voltage: 3.6-4.81V

Battery: 3 7 batteries

Switch: push button tail switch

Volume: 120 (127) * 34mm (Max)

Package: a charging flashlight， No. 7 battery compartment of a lengthened， ring， a charger， rechargeable batteries 18650 a surefire