M-Wave Apollon K28 Front Light This battery-powered M-Wave front light has one LED lamp and provides a super bright white light. The front light comes with a holder. It has two functions and is splash-proof. You can easily turn on the lamp with the large on and off button. The front light can be charged with the supplied USB cable. Specifications: Colour: black Material: plastic Dimensions: 8 x 4 x 4 cm (L x W x H) Clamp diameter: 22.2 to 31.8 mm Lighting type: LED Weight: 55 grams German quality mark: K-1243 Contents: 1 Front light 1 Holder 1 USB cable 1 Battery