BESTSUN 5000Lumens Headlamp, 4 Modes LED Headlight Flashlight, Outdoor Waterproof Led Camping Headlamp, Portable Work Lights Helmet Lights - 2Pcs Rechargeable Lithium Batteries Included 3 LED beam, max brightness 4000 lumens With adjustable and elastic head band, you can conveniently put on or take off 4 switch modes: low(1 LED), medium(2 LED), high(3 LED), strobe(3 LED) Aluminum alloy casing, waterproof design, long service life The red indicator light on the battery holder plays a good warning role in night walking