.Apex Extreme LED Headlamp – Black.The waterproof Apex Extreme is designed to extend the life and wear of the headlamp in cold and demanding conditions.The Apex Extreme provides the same great user interface and output as the Apex, the pinnacle of our Professional Series headlamps, but stores its batteries in a remote enclosure that can be clipped close to your body for optimal battery warmth and usage in cold temperatures. In addition, the external battery pack reduces the weight on your head.Having the longest burn time of the Professional Series, the Apex Extreme is perfect for winter months, cold work environments or extended running time.Specifications:.Power: 650 Lumens.Lamp: 1 Maxbright LED (regulated), (dimmable) & 4 White Ultrabright LEDs (regulated), (dimmable).Burn Time: 12.2 Hours.Batteries: 8 AA Alkaline or Lithium (Included).Water Resistant: IPX7.Weight: 14.7 oz or 416 g.Modes: Spot High, Spot Low, Flood Flash Beam, Flood High and Flood Low.Warranty: Lifetime.WARNING:. This product can expose you to chemicals including BISPHENOL A (BPA) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to .P65Warnings.ca.gov. .Lumens: 650.Battery Type: Alkaline.Batteries Included: Yes.WARNING:. This product can expose you to chemicals including BISPHENOL A (BPA) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to .P65Warnings.ca.gov.