The P3R Core has a light output of 90 lumens all packaged up in a compact 96mm unit. The P3 Core is constructed from durable aluminum alloy and comes with a built-in pocket clip for securing to a shirt or bag pocket. Features: Advanced Focus System allows easy changing between broad floodlight and focused long distance beam. Three light functions – Low Power, Mid Power, High Power by using the end cap switch to select the right light setting for your needs. The P3 Core can be powered by a single AAA Alkaline or NiMH battery. Specifications: Brightness (High) 90 lumens Brightness (Med) 50 lumens Brightness (Low) 15 lumens Beam Range (High) 110m Beam Range (Med) 70m Beam Range (Low) 40m Burn Time (High) 3 hours Burn Time (Med) 4 hours Burn Time (Low) 6 hours Water/Dust resistance IP54 Weight 42g Length (defocused) 96mm Diameter (head) 20mm Diameter (body) 15mm Light Functions High Power, Med Power, Low Power Also in the box 1 set of AAA Alkaline batteries, pocket clip