Ledlenser P2R Core Pen Light is the smallest and lightest P-series pen light This penlight offers significant light output in a compact housing With a clip, the pen lamp can be easily attached to a shirt or pocket and is always ready for use The P2R Core pen light comes with a rechargeable battery The pen light has tail cap switch and the Ledlenser patented Advanced Focus System This pen light is powered by 1 x Li-ion 3.7V battery with IPX4 and IPX5 water/dust resistance rating The pen light has 1 x high power LED and 120 lumens with 65-meters light range