Be seen in more ways than one with Luci. Featuring 100 lumens, a portable design, and rechargeability via solar or USB, the Luci Solar Bike Light Set is the best way to be seen into the night.. . ?. . . Perfect for:? bike trails ?? urban cycling ?? road cycling ?? family riding ?? city bike paths. Includes headlight (built-in mount), taillight, taillight mount, 2x silicone straps, micro-USB cable. Adjustable straps to fit any size seatpost or handlebar. Front light charges back when connected via magnets. . . ?. . Headlight features:. . . Up to 100 lumens. 10 cool white LEDs. Built-in USB port for charging light. Adjustable silicone strap. Micro-USB cable included. Lightweight: 2 oz (57 g). Water resistant: IPX4. . . ?. . Headlight functions:. . . 4 light modes: low, medium, high, flashing. 2 second quick shut off. Battery level indicator. Operating temp: -10??50?C (15??122?F). Do not place on surfaces over 50?C (120?F). . . ?. . Charge:. . . Lasts up to 15 hours on a single charge. Recharge via solar or quick-charge with USB (8 hours / 2 hours). 750 mAh Li-ion battery. . . ?. . Dimensions:. . . Depth: 1.8 in (4.5 cm). Length: 2.9 in (7.4 cm). Height: 0.8 in (2 cm). Imported. . . ?. . Tailight features:. . . Up to 40 lumens. 5 red LEDs. Adjustable silicone strap. Lightweight: 1.2 oz (34 g). Water resistant: IPX4. . . ?. . Tailight?functions:. . . 4 light modes: low, medium, high, flashing. 2 second quick shut off. Battery level indicator. Operating temp: -10??50?C (15??122?F). Do not place on surfaces over 50?C (120?F). . . ?. . Charge:. . . Lasts up to 3 hours on a single charge. Recharge via connection with front light. 300 mAh Li-ion battery. . . ?. . Dimensions:. . . Depth: 1.1 in (2.8 cm). Length: 2.9 in (7.4 cm). Height: 0.8 in (2 cm).