Police Security’s Pro-Flex flashlight features the ultimate in flashlight flexibility. This high-lumen LED penlight has two power source options - either a rechargeable lithium or alkaline battery. The 14500 lithium battery can be removed and recharged with a USB charging cord (included), or you can switch to a 1 AA alkaline, whichever your preference. With high/low/flash modes, slide focus, and a soft switch button to cycle through modes, this flashlight offers flexibility for a variety of situations. The Pro-Flex flashlight is impact and weather-resistant, backed by Police Security’s Lifetime Warranty.