Requires 2 'AA' Batteries (not included). safely light the way with this easy to use light. 180 in. Retractable leash. Dogs up to 50 lbs.. Four bright, forward facing LED lights operated with an on/off switch. Leash locks in place or allows in and out movement. Packaged in a clam shell. Made from metal and plastic. Black and Red color. Weight: 1.25 lbs..