Features Advanced Focus System. Allows easy changing between broad floodlight and focused long distance beam. Three light functions – Low Power, Mid Power, High Power. Use the end cap switch to select the right light setting for your needs. 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. The P3 Core can be powered by a single AAA Alkaline or NiMH battery. Specification 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