Sleek and lightweight with a peak brightness of 250 lumens thebStreamlight Stylus Pro USB Rechargeable Penlightbsaves you the trouble of discarding and replacing dead batteries Simply plug in the microUSB charge cord and the light will have a fresh full charge in 25 hours The machined aluminum light has a Type II anodized abrasion and corrosionresistant finish and a gasketsealed glass lens protecting the LED Momentary and constanton activation is controlled by a tailcap pushbutton switch Runtime is 35 hours on low and 15 hours on high Equipped with a removable pocket clip the Stylus Pro USB is Oring sealed rated IPX4 water resistant and impact resistant to 33 This item comes in clamshell packaging