Ravemen PR800 USB Rechargeable Bicycle Light with High-Low Beam System (800 Lumens, in-built battery)

Features:   
- DuaLens optical low beam,providing broad flood light with cut-off line for commuting, no dazzle and glare for oncoming riders and pedestrians
- Dual LEDs for Hi-Lo beam system, providing illuminating light similar to automotive headlight with far reaching high beam and low beam 
- Extending battery runtime by connecting with power bank
- Wired remote button to change brightness levels safely without releasing the grips
- Micro USB charging port, compatible with most phone chargers
- USB output to charge portable digital devices
- Intelligent memory circuit remembers the last used brightness level and mode when turned on again 
- Quick release design for easily slide in and out 
- Compatible with handlebar of 22.2mm, 25.4mm and 35mm diameter 
- Made with Mil Type III Hard Coat Anodized Aluminium 

Specifications:  
- LED: 2 x CREE XP-G2 LEDs with a lifespan of 50000 hrs  
- Power Source: 3200mAh/3.7v built-in rechargeable Li-ion battery 
- Peak Beam Distance: 110 meters
- Brightness Outputs: 
        Low Beam:  
High 400 Lumens - 2.8 Hours  
Medium 200 Lumens - 7 Hours  
Low 100 Lumens - 13.5 Hours 
Eco 50 Lumens - 19 Hours  
Rapid Flashing 100 Lumens - 22 Hours 
      Hi-LO Beam: 
High 800 Lumens - 1.5 Hours  
Mid 400 Lumens - 5 Hours  
Low 200 Lumens - 11 Hours 
        Emergency:  
Turbo 800 Lumens - 
- IPX Rating: IPX8 (Waterproof) 
- Impact Resistance: 1 meters
 

Dimensions:  85mm (Length) x 48mm (Width) x 27mm (Height)  
Weight:  165 grams (including battery)