The Lezyne Femto Drive Duo Light is an ultra-compact, two-in-one safety light integrated into a versatile helmet mount. The Lezyne Femto Drive Duo Light is coupled by a composite matrix junction. Compatible with nearly all vented-style helmets. The Lezyne Femto Duo's LEDs are housed in a super-compact, lightweight and durable machined aluminium body. High-grade polycarbonate lenses provide side visibility and double as the power button. Front: 15 lumens, Rear: 7 lumens, two output modes. Easy to replace CR2032 batteries.Lezyne Femto Drive Duo Light SpecificationsSmall 2-in-1 safety light.Combined front and rear light coupled by composite matrix junction.LEDs are housed in a machined aluminium body ... More info