Microblast Pen Light w/ Bore Light AdaptorFeatures:- Superbright Nichia 5mm LED shines at 15 lumens, 3X brighter than most other pen lights- Incredible 45 hours of battery life- Bore Light Adapter for firearm inspection and cleaning- Covert Cover slides up for spot beam and makes the light unseen from the side- Rugged all-aluminum construction with heavy-duty pocket clip- Unbreakable LED lasts for 100,000 hours- 15 lumens- Effective distance 20 yardsSpecifications:- Battery Life: 35 hours - Lamp Type: (1) 5mm Nichia White LED - Brightness: 15 Lumens - Lamp Life: 100000 - Color of emitted light: White - Batteries: (1) AAAA Alkaline