The COLUMBO(TM) FLEX 250 pen light features a 250 lumen LED, 3 light modes, 4x adjustable zoom, Easy Touch Technology, strong steel clip, and a waterproof (IP67) anodized aircraft-grade aluminum body. The included rechargeable battery allows for up to 3 hours of operation. Plus, Flex-Power technology allows the option to switch to AAA batteries at any time.