The all new AMPP500S takes all the best features of it’s predecessor and improves on them and Boosts the power by 100 lumens over the AMPP400S.With a new more tactile on/off button allowing for better feeling when using gloves. 5 Lighting modes give you a wide range of power levels from daytime safety to nighttime visibility. All securely held in place with our adjustable FlexTight™ bracket the AMPP500S features OptiCube™ lens technology providing a clear beam pattern of bright light with superior side visibility. A double-click of the power button activates high mode and allows you to quickly adapt to changing ride conditions. All this wrapped up into a new tough design and durable casing the AMPP500S is the perfect light for twilight or early morning rides urbans/city riding or as a back up safety light for this longer endurance rides. TECHNOLOGIES DaytimeCan be used in the daytime. All Weather IPX4Can be used in rainy weather. Side VisibilityProvides visibility from the side to increase safety. USB-Type-CReversible USB Type-C connector eliminates the worry about plug orientation. OptiCubeOur proprietary OptiCube™ lens technology maximizes brightness for greater visibility. FlexTightThe FlexTight™ bracket can be quickly and securely fastened to the handlebar without tools. Low Battery IndicatorIndicates a battery level. FEATURES  Rechargeable headlight 500 lm  Excellent side visibility  Large power button for easy operation  Turns on High mode with double click of power button  Up to 60 hours of run time  5 light modes – High / Middle / Low Daytime Hyperconstant / Flashing  Light mode memory  Excellent daytime visibility in Daytime HyperConstant mode  Weight : 106 g  Mount size : 22 - 35 mm RUNTIMES  High mode 500 lumens： 1.5hrs  Middle mode 250 lumens： 3hrs  Low mode 100 lumens： 8hrs  HyperConstant mode 500/100 lumens： 5hrs  Flashing mode 100 lumens： 60hrs  Charging time From empty : 4 hrs