SportDog Locator Beacon - This compact and versatile safety and locator 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. The Locator Beacon provides up to 250 hours of on-time and 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 any collar strap up to 1 inch wide. Available in blue or greenChanges from solid to blinking with the press of a buttonFits both 1 inch and 3/4 inch collar strapsCarabiner included for easy attachment anywhere