ONE's compact rechargeable F.LIGHT 20 headlamp ensures that you can go out every night. Of course, there is also the possibility to adjust the strength and switch to flashing mode. Adjustable with a practical silicone strap. Features: Good visibility thanks to the output of 50 lumens Aluminum construction ensures a long service life Choice in brightness level and luminous/blinking mode Easy mounting thanks to the durable silicone strap Rechargeable via USB General Specifications: Color: black Code: NF070701 Material: silicone, aluminum, plastic Dimensions: 2.6 x 5.5 x 5.0 cm (L x W x H) Model: headlight battery Mounting: handlebar mount Hallmark: Varefakta (DK) Technical specifications: Rechargeable: yes, via USB Power supply type: battery Battery type: Lithium polymer 3.7 V/300 mAh Illuminance lux: 50 lumens Light protection class: IPX5