Super Bright Bicycle Flashlight Headlamp Output bright can come to max 5000 lumen.
Super bright bike/ Bicycle Headlight with U2 led bulb.
Internal wiring applies high efficient booster circuit utilize batteries in the largest extent.
Waterproofing design,Easy to install and use.
Perfect fit for outdoor sports, such as camping, traveling, hiking.

Feature:
More condensed light, long exposure distance.
4 Switch Modes: Weak, Middle, Strong, Strobe.
Switch Type: Blue Button. Runtime: About 3 hours.
Switch Type: push.
Switch Location: Tail-cap.

High-performance electronic switch:
- Slightly click the switch to turn ON/OFF the light.
- Slightly click the switch to change the brightness modes, LOW - MID - HIGH.
- Long press the switch for more than one second to access to Strobe mode.

Battery indicator(beside the blue button): 
- Three lights lit on(power≥80%).
- Two lights lit on(50%≤power≤80%).
- One light will lit on and will flash three(runtime≤30minutes).

Battery Charger(include):
- Voltage: 100v - 240v.
- LED indication for Power On / Charging / Full charge.
Color: black.
Weight: 486g.

Note:
- 1. Remove batteries for long times of inactivity or during transportation.
- 2. Do not use petroleum-based lubricant on the waterproof O-rings, which may cause damages to the O-ring.
- 3. IPX-7 waterproof rating, unable to support dive use.

What's In The Box:
1 x 5000 Lumens Cree XM-L U2 LED Bicycle Light.
1 x 8.4 V 6400 battery pack.
1 x charger for this battery pack.
2 x Spare O-ring.