The Lezyne Femto Drive LED Rear Light is an ultra-compact safety light with an integrated lens On/Off switch. Durable machined aluminium construction. Side Visibility lens extends beyond the body to provide 180 degrees of visibility. Two replaceable CR2032 batteries power one bright LED. The Lezyne Femto rear cycling light delivers up to 7 lumens with five output/flash options. Versatile 2-in-1 Clip-On System straps to bars or clips to loops.Lezyne Femto Drive LED Rear Light SpecificationsCNC aluminium body.Single LED produces up to 7 lumens.180 degrees of visibility.Patented 2-in-1 clip and strap mounting system.Powered by two CR2032 batteries.Included Rubber Strap.Max Runtime: 60 hours.Weight: 31g. More info