Waterproof Headlamp LED,3000 Lumen Brightness Helmet Light Headlight with Rechargeable Batteries 18650 Battery 4200mAh and Car Charger, Wall Charger for Camping Riding Fishing Hunting (Style A) 4 LIGHT SWITCH MODES: Low(one light) /Mid(two lights)/ High(three lights) /Strobe(three lights),headlamp brightness can be up to 3000 lumens.Every 18650 batterys voltage is 3.7V ,4200mAh. ADJUSTABLE:Lamp swivels 90 degrees adjust, and adjustable Strap is provided for the headlight to make your head get the best comfortable condition. WATERPROOF GRADE:IPX-4 ,it means when you wear the headlamp outdoors, you wouldnt need to worry if it rains unexpectedly . HANDS-FREE AND LIGHTWEIGHT:Whenever you wear the headlight,your hands are free ,very convenient.It is good for camping riding fishing hunting reading. ABOUT US: U`King has own factory ,we only make lamps products ,we are professional in the headlamp industry. There are many other headlights are similar to our products in appearance ,when you buy it ,please identify the brand ,we have a wolf U`King logo on each product.