The Lezyne Femto Drive LED Light Set is a great all-around set that ensures other road users or cyclists know your whereabouts when riding.FrontUltra-compact, aluminium-bodied safety light with integrated lens switch. CM back cap designed with the Clip-On System provides versatile strapped or clipped mounting. Side Visibility lens extends beyond the body to provide 180 degrees of visibility. 2 CR2032 batteries power a single white or red LED programmed with 1 solid and 4 flash modes.RearUltra-compact safety light with 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 Light Set SpecificationsFemto Drive FrontCNC aluminium body.Single LED produces up to 15 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.Femto Drive RearCNC 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.