The Black Diamond Cosmo Headlamp is a reliable companion for hikers and campers who need reliable, adaptable lighting. With a 350 Lumen max output, this headlamp provides excellent illumination, whether you're navigating rocky streams or setting up camp after sunset. The patented digital lockout feature guards against accidental use, while the dual-fuel flexibility allows for the use of AAA batteries or a rechargeable BD 1500 Li-ion battery. A red LED mode preserves your night vision, with adjustable brightness and a strobe function for additional safety. The IPX7 waterproof rating ensures it can survive up to 1 meter underwater for 30 minutes, making it a durable addition to your outdoor gear.