Specifications:BrandNiteCoreProduct Code - NU21LED Type - White Light, Red Light - Batteries Required - Built-in 500m - Ah Li-ion Battery - Luminous 360 Lumens - Run Time Up To37 Hours - Operating Modes - White Light / Red Light - Impact Resistance1mmso-border-left-alt:0.5000pt solid rgb(0,0,0);border-right:1.0000pt solid rgb(0,0,0);mso-border-right-alt:0.5000pt solid rgb(0,0,0);border-top:none;mso-border-top-alt:0.5000pt solid rgb(0,0,0);border-bottom:1.0000pt solid rgb(0,0,0);mso-border-bottom-alt:0.5000pt solid rgb(0,0,0);">Waterproofmso-border-left-alt:none;border-right:1.0000pt solid rgb(0,0,0);mso-border-right-alt:0.5000pt solid rgb(0,0,0);border-top:none;mso-border-top-alt:0.5000pt solid rgb(0,0,0);border-bottom:1.0000pt solid rgb(0,0,0);mso-border-bottom-alt:0.5000pt solid rgb(0,0,0);">IP66Dimensions60.1mm*33mm*25.5mm (2.37" x 1.30" x 1.00")Weight44 g / 1.55 oz - Features:1. Dual beam USB-C rechargeable outdoor headlamp.2. Specially designed for outdoor activities.3. With a max output of 360 lumens.4. Utilizes