Front 75 lumens. 
Rear 4 Lumens 6 modes 
Water resistant 
Light weight 
Adjustable hook and loop quick release strap 
Charging and low battery indicator 
Rechargeable lithium battery 3.7V 700mAh 
Charge time: 2.5hrs 
Light mode memory saves the mode you re in before the light is turned off. Last mode used will determine whether you double or single press the rear light to change setting.

Run Times – Front 
100% Brightness 75lm: 2hrs 
50% Brightness 40lm: 4hrs 
Flash: 6hrs 
Run Times – Front Rear 
Front rear flash: 2.5hr 
Front steady rear flash: 2.5hr 
Front rear steady: 2.5hrs