The Locator Beacon from SportDOG Brand® is the easy, affordable way to keep track of dogs at night. This compact and versatile safety and location light can be used for everything from finding hounds during night hunts to providing added visibility - and peace of mind - during evening strolls with canine companions. Available in blue, red, white, green or yellow, the Locator Beacon can be set to either constant ON or FLASHING. The light includes a handy carabiner clip for attaching to a collar D-Ring, backpack strap, belt loop or anywhere else a safety light is desired. Or, simply slide it onto any collar strap up to 1-inch wide. The Locator Beacon provides up to 250 hours of on-time with (2) CR20320 batteries (included).