GO PAL M4 Bike Light-Super Bright Bicycle Headlight LED 960 Lumens Toolless Installation With Rechargable Battery(Long Duration),Fit All Bikes -[UE]- Go Pal is the brand that most focuses on the user experience in North America. -[Super bright]- brightness like me driving my car running on the road. -[Durable]- Adopts aviation aluminum alloy shell, with high quality PCB and native American brand CREE U2 lamp bead and specially designed waterproof battery pack, make sure can perfect work in complex riding conditions. -[Easy Installation]- Two different sizes rubber bands and specially designed bearing, can fit for most of bicycles. -[Guarantee]- All Go Pal products can accept refund without any reason within 45 days.