TANSOREN LED Headlamp 1600Lumens Adjustable Outdoor Waterproof,218650 Rechargeable Batteries+Charger Ultra Brightest:Super bright XM-L T6 LED beam, brightness up to 1600 lumens. High-quality Products:Portable and stable in use, made of aluminum alloy and rubber, very durable. Super Long Battery Life: Working voltage is wide and can utilize the batteries to the largest extent. Material: Aluminum alloy casing, avoid high temperature, fall-off protection. What You Get:TANSOREN LED Headlamps,2*18650 Rechargeable Batteries+Charger,our fan-favorite 18-month warranty and friendly customer service.