FoxFury 420-009S Command 20 Tasker S LED Helmet Light with Silicone and Elastic Strap, 72 Lumens 72 lumen compact LED helmet light and headlamp offering focused and panoramic lighting Waterproof to 20-feet and impact resistant Nylon 66 housing with polycarbonate lens cover and silicone and elastic straps 4 AA batteries (not included); 8 - 16 hours run time Measures 4.8-inches width by 1-inches height by 1.3-inches depth; 2 year warranty