3 kinds of adjustable brightness: you can switch it among the three modes of strong beam, low beam and strobe beam (S.O.S) to meet different lighting needs. 200 Lumens brightness offers you up to 20m of visibility. Fast charging & long-lasting power: equipped with a powerful 2000 mAh battery that can be recharged and can last for half a month in normal use, and it can prompt you to charge it when the power is low. Waterproof material: This night running light is made of waterproof material, and it will still be well illuminated in rainy days, so you don't have to worry about the safety of lighting when it rains. 120degree rotatable angle: The night running light has a space of 120 degrees to adjust the lighting angle. At the same time, the elasticity of the reflective belt is easy to adjust to achieve the most comfortable state for the wearer. Reflective tape design: the existence of the reflective tape makes you safer at night, and it can make it easier for others to notice you and avoid collisions.<br><br>colour:Green Material:rubber<br><br>Package Contents: 1 x Running Lights 1 x USB cable<br><br>Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.