Awe Rechargeable 150 Lumens TWIN LED Helmet Light Helmet lights are fast becoming an essential part of cycling, particularly in the dark winter nights and the AWE Twin Helmet Light is one of the best on the market. With 150 lumens of power between the twin front & rear LED’s and a number of different modes ranging from constant to flashing, there are no black hot spots for motorists making the cyclists completely visible at all times. Depth: 70 MM Height: 140 MM Width: 100 MM The Headlight Has 1 x AWEBright White LED Which Give Off The SUPER Brightness Power Of 150 Lumens The Taillight Has 1 x AWEBright Red LED’s Which Give Off The Brightness Power Of 30 Lumens Front light functions: Mid Power (4hrs Runtime 85 Lumens Power) AWEPower (2hrs Runtime 180 Lumens Power) Quick Flash (4.5hrs Runtime 50 Lumens Power) There is 1 Rear Light Function: Constant Pulsing Giving Off No Black Spots To Any Traffic Behind You There Are 2 Levels Of Low Battery Indicator, Green LED Light = 100-40% Battery & Red LED = 39-0% Battery USB Rechargeable, No More Batteries To Be Used, Just Simply Plug This Light Into A USB Port Using The Cable Supplied. Lithium-ion Battery 3.7V/550mAh Charging Time = 2hrs. Red LED Button On Whilst Charging Turns Green When Fully Charged Quick And Easy To Attach/Detach From A Bicycle Helmet Without Removing the Fixing Bracket By 90 Degree Twist. N.B: No Helmet Included With This Listing SIZE Dimensions: Length: 5.8cm, Width: 3.5cm, Thickness: 2.5cm