Ledlenser P4R Core Pen Light shines for its size with a light output of 200 lumens This pen light has a removable rechargeable battery with micro-USB interface for eco-friendly charging The pen light offers a slim, lightweight design This pen light has tail cap switch and pocket clip The pen light features the Ledlenser patented Advanced Focus System provides precise light in spot or flood 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 200 lumens with 90-meters light range