The Night Provision LINE 120 is the brightest light on the market for it\'s size. Delivering a super high intense 120 Lumens alarms everyone your passing by, ensuring the safest riding experience, day or night. No more runs to the store to buy expensive toxic batteries. Charge conveniently with any USB device. It takes only 2 hrs for a single full charge. This compact, yet powerful headlight light consists of 6 modes: (Standard 6:20), (High Beam 2:45), (Overdrive 1:40), (50% Flash 5:10), (100% Flash 3:00), (Epilepsy Strobe 2:50). There are 4 secure slots in the stretchable rubber straps, allowing users to mount on almost anything imaginable. Choose to position LINE 120 Vertically or Horizontally. Adjust with 2 clicks to position LINE 120 higher or lower at your desired angle. Rubber gaskets installed in the casing to ensure water resistance, so no worries on rainy days. 100% Safety improvement; This ultra high-powered lighting output will increase your visibility to the vehicles surround you in the dark. 100% Versatile; this light can be strapped on your helmet, your backpack, your bike, your stroller, boats, and your pet\'s collar. Be creative and strap it on anywhere. 100% No Question Asked Satisfaction guarantee or money back. 100% Lifetime warranty. Changed Mind? Dislike? Not Perfect? No problem, we will replace another one for you for Free while supplies last. Still not satisfied? We will refund you 100% to ensure your satisfied no matter what the circumstance is. How To Access Strobe Mode: 1. Hold the Power button for 3 seconds while the light is off. 2. To return to the solid mode settings repeat step 1.