NITENUMEN X8 1800LM 2x U2 6 Modes 18650 Li-ion Battery USB Rechargeable Waterproof Cycling Bike Light

Specification BrandNITENUMENModelX8ColorBlackLamp Beads2x U2Battery2x Built in 3200mAh 18650 Li ion Battery6 ModesHigh Light Middle Light Low Light Eco Strobe SOSLumensHigh Light 1800lmMiddle Light 850lmLow Light 180lmEco 15lmStrobe 850lmSOS 1800lmRun TimeHigh Light 4h15minMiddle Light 16h50minLow Light 76h20minSwitch TypeTop SwitchCharging MethodMicro USB InterfaceWaterproofIPX8 Size102 x 45mm x 27 5 Length x Width x Height Weight243g with battery Features 1 Built in lithium battery pack With battery pack of 2 x 3200mAh 18650 batteries the most efficient and highest capacity lithium 18650 battery commercially available 2 Long endurance The USB rechargeable bike light provides you at least 4 hours and 15 minutes run time on the highest 1800 lumen setting 6 hours and 20 minutes on Mid 850lm 16 hours and 50 minutes on low brightness 180lm and 76 hours 20 minutes on the lowest ECO setting 15 lm 3 High performance 1800lm With two LEDs the light delivers breakthrough 1800 lumen output the max beam distance is up to 148 metersand 4 Smart digital system With smart indicator red LED lights while charging and turns blue when the charging is completed Red light flashes up to warn you that the battery power is below 30 and remind you of charging Smart energy management circuit will auto regulate the brightness when battery power is below 30 to prolong runtime to max extent The light is also able to remember the flash mode operated last 5 USB char