Features Compact rechargeable headlight (200 lm) Easy To Attach and Remove, New Rubber Band Mount Excellent Side Visibility Turns on Flashing mode with double-click of power button.Light Mode Memory Weight: 62 g Mount Size: 22 - 35 mm Specifications LEDs : LED x 1 Light Output: 200 lm / 2,000 cd Battery: Li-ion, USB rechargeable Mount Position: Handlebar Bracket: 22-35 mm Rubber Strap Recharge Time (Approx.): 2.5 hr. (0.5 A) Dimensions: 86 x 35 x 33 mm (Light Unit) Run Time (Approx.) High: 1.5 h (200 lumens) Low: 13 h (40 lumens) Flashing: 30 h (200 lumens) Charging time Approx.: 2.5 h (0.5 A)