Specification Front lightLED specification: CREE XP G2Battery: Samsung Li-ion 18650 2600mAhLuminosity: 60 lux (10M) Lumen: 300 lumensRuntime: 4 hours for full modeWaterproof: IPX4Weight: 131gSize: 140 * 37 * 75mmMode: Full-> OFFTail lightBattery: Mass- Made Li-ion 180mAh Wide-angle Visibility: 220 DegreesLumen: 60 lumensRuntime: 3.5 hoursWaterproof: IPX4Weight: 31gSize: 72 * 39 * 45mmMode: Constant-> OFFScope of delivery1 USB front light1 USB rear light 1 pad1 charging cable1 rubber band1 manualSuitable for most handlebars with a diameter of up to 35 mm