clip is sturdy and functional and the light is water resistant. Made of 6000 series aluminum, it's also tough. Other upsides include: tactile push button switch, multiple color availability (that blue is cool!), lifetime warranty, reasonable cost, o-ring sealing, included belt holster, and a reasonable cost. In its POU I have noted no downsides. Where compactness and simplicity are desired for close range lighting tasks, the Stylus Pro penlight will prove itself a reliable lighting companion ...