Princeton Tec Apex Pro 200 Lumen Headlamp Lightweight and sturdy headlamp offers 200 Lumens and comes with 2 CR123 Lithium batteries included Waterproof to 1 meter One Maxbright LED (regulated) and four Ultrabright LEDs (regulated) Five output modes with 15 to 35 hour burn times Lifetime warranty (USA); 10-year warranty (outside the USA)