Princeton Tec APXR-BKG Apex Headlamp with Green LEDs, BlackThe biggest and brightest headlamp in our professional series, the Apex has been a favorite of extreme outdoorsmen and cavers for years. Truly the pinnacle of waterproof LED headlamp design, the Apex combines the qualities of both the Eos and the Quad.Princeton Tec APXR-BKG Apex Headlamp with Green LEDs, Black Features: Ideal for use during camping, caving, climbing, working, paddling and wherever your adventures take you Single Regulated Maxbright LED partnered with Four Regulated Ultrabright LEDs Provides either a powerful spot beam or a bright flood Proprietary heatsink technology allows the LEDs to burn brighter and longer Compatible with alkaline, lithium, and rechargeable batteries Battery power meter provides you with continuous feedback on the condition of the batteries Waterproof to 1 meter for up to 30 minutes Multiple beam patterns combine focused narrow and focused wide beams to allow for the most versatility At close range, the focused wide beams simulate normal daylight conditions Focused narrow beams create a long-throw spotlight ideal for night hiking and search and rescuePrinceton Tec APXR-BKG Apex Headlamp with Green LEDs, Black Specifications: Power: 200 Lumens Lamp: (4) Ultrabright LEDs, Maxbright LED Burn Time: 150 Hours Waterproof: Level 2, IPX7 UL Temp Code: T4 Batteries: (4) AA Alkaline, Lithium, or NiHM Rechargeable Weight: 279 Grams* Image shown may vary by color, finish, material or size