Fenix Lighting HP35R Lithium Ion 4000 Lumens Headlamp Black. The glove-friendly rotary and button combo switch allows you to choose between different levels of spotlight floodlight or both - for a jaw-dropping 4000 max lumens with an almost 500-yard throw. The battery pack contains two built-in 5000mAh batteries and can be used as a power bank to charge other devices. Built into the battery case is a red safety light used for alerting others to your location. Specifications for Fenix Lighting HP35R Lithium Ion 4000 Lumens Headlamp: Manufacturer: Fenix Lighting Color: Black Beam Color: White Light Output: 4000 lumens Battery Type: Lithium Ion Bulb Type: Luminus SST20 LED Weight: 15.27 oz Battery Life: 500 hours Beam Distance: 1476 ft Water Resistance Level: IP66 Package Type: Box Dimensions: 3.7x1.92x2.26 in Charger Type: USB Type-C Lens Material: Polycarbonate Features of Fenix Lighting HP35R Lithium Ion 4000 Lumens Headlamp Spot-and-floodlight delivers a max output of 4000 lumens and high CRI floodlight delivers a max output of 1200 lumens. Utilizes one XHP70 neutral white LED two Luminus SST20 warm white LEDs; with a life span of 50000 hours each. Glove-friendly rotary switch and electronic switch for easy and fast operation. Quick-release large-capacity battery case with red light function and power bank function. Intelligent brightness downshifting function to avoid potentially dangerous high temperature(s) at close-range lighting. Inner waterproof USB Type-C charging port. IP66 rated protection and 2 meters impact resistance. Flame retardant and fire resistant rubber headband and quick-assembly shroud design enable the lamp to be compatible with different types of helmets (SAR Edition only). The silicone headband can be used normally in the temperature range of -20 C to 120 C. Limited Lifetime Guarantee from Fenix Lighting USA. Package Contents: Fenix Lighting HP35R Lithium Ion 4000 Lumens Headlamp 2-in-1 Type-C charging cable 2x cable clip (only one for the SAR Edition) 4x Helmet attachment hooks (SAR Edition only) Extension cable Fenix Lighting HP35RXBK: HP35R Lithium Ion 4000 Lumens Headlamp Black