5000 Lumen T6 Cree LED Bicycle Bike Light Headlight 7200mah Rechargeable Battery for 4 Hours Continuous Lighting High Quality Bicycle lamp Output bright can come up to 5000 LM 5000LM 3x T6 super bright for night riding 4 ModeLow-Mid-High, hidden Strobe High capacity battery 7200mAh Battery 4 hours continuous lighting (bright light), more than 5 hours other modes Waterproofing design,Easy to install and use.