Compact and lightweight body with up to 150 lumen output in Daytime Hyperflash or 20 lumens constantSnap Mounting System allows riders to place rear lights on many locations in both horizontal and vertical orientations5 LEDs that offer 300° illuminationLong rear beam projectionOptiCube lens technology4 modes (Constant / Flashing / Daytime Hyperflash / Group Ride)USB rechargeable Li-ion battery Mode memory and low battery indicatorRed4RearSnap SystemUSB150UPC/EAN/GTIN: 725012035214