"battery operatedLED bike light set with several brightness levels3 brightness levelsLevel 1 (100%), Level 2 (50%), Level 3 (25%)On/off switchTest mark: K-1564 and K-1041Protection class: IPX3, IPX4Holding deviceBattery indicator lightBatteries required: 4 x AA 1.5 V, 2 x AAA 1.5 VColor: blackMaterial: ABSFront light dimensions: 110 x 40 x 50 mmDimensions rear light: 70 x 15 x 30 mm"