Nite Ize - SpotLit Clip-on LED have a Nite Ize SpotLit LED clip on light handy whenever you need a mini-beacon to light your way through the dark. A quick and easy attachment and bright, long-lasting light make it a staple for daily life and adventures alike. Plus, this lightweight and water-resistant clip light makes for a perfect, all-weather dog collar charm or dog collar light. This multi-purpose clip on light provides an ambient glow bright enough to read, find your keys or keyhole, locate tent lines and camping gear, to use as a dog collar charm or dog collar light, or to attach to your jacket, belt, or other apparel for visibility and safety. This water-resistant clip light features a secure stainless steel spring clip carabineer attachment, glow and flash modes, push-button switch, and an easily replaceable 3V lithium battery that gives you 20 hours in glow mode or 25 hours in flash mode.