Mini Maglite Pro +Features the same iconic beauty that has made Mini Maglite the worlds most recognizable lighting instrument for a quarter-century. And it has the same renowned, high-precision optics that the MAGLITE brand has always stood for. But theres a PLUS (two, actually): (1) The PRO+ offers new, powerful electronics, driving the state-of-the-art LED light engine to an impressive lumen output at the high setting and (2) The PRO+ lets the user choose between two output levels one for maximum brightness the other to conserve power. - Classic Spot-to-Flood Focus - Just twist the head (same as always)- Two Level Power- Unique switching system lets you select high for dazzling brightness or low to save batteries.Specifications:- Length: 6.607 (167.8 mm)- Barrel Diameter: .709 (18 mm)- Head Diameter: 1 (25.4 mm)- Weight with batteries: 4.15 oz. (117.75 g)- Black- 245 Lumens- High Beam Run Time: 2 hrs 15 minutes- Low Beam Run Time: 27 hrs