BESTSUN Brightest Outdoor Waterproof LED Headlamps, 2000lm High Power Cob Rechargeable Headlamp, 3 Lighting Modes and Red/Blue Strobe, Wide-angle Illumination with 3 X 18650 Batteries, USB Charger Using COB integrated LED module light source, The light is continuous and stable, And the lumen output can reach 2000Lm Powered by 3 18650 rechargeable batteries, The power reaches 30W, And the powerful light source is super bright, water-resistant. With its easily adjustable, elastic headband, the headlight is perfect for anyone who needs a headlamp Made of High Strength ABS+ Aluminum Alloy, Net Weight of 0.55 LB, Length 4.7 inches and Width 2.6 inches.Use 3 18650 Rechargeable batteries, Batteries and Charging Lines included The unique wide lamp cap shape design consists of a wide-angle radiation angle of 120 degrees, Made from aluminium alloy and plastic, the head light possesses 3 modes: white light strong/white light weak/ blue and red light flash.It is rugged for you to use in in different situations. Best for indoor and outdoor sports like home maintenance, camping, fishing, hiking, caving and hunting etc. The headlight will free your hands instead of holding the light for long time. Whether you're out hiking at night, camping, reading in bed, or doing DIY projects around the house, the headlamp helps achieve more than just hands-free illumination