COFFLED&reg;1pc Pet LED Light Up Dog Collar Flashing Night Safety Cat Glow in the Dark BRAND NEW LED COLLAR L : Width 2.5cm, neck adjustable 44-52cm Colors: blue, orange, multicolour Flashing modes: long light. Flash. Slow flash (via switch control). Material : nylon Bright light can be seen from 200 meters away 360 degrees visible Provide safety for your dog while it's out at night. Also work as a decoration. Easy to put on and remove (on-off buckle) Easy to use: simply pushing the control button makes the light ON/FLASH/OFF. Specifications: Battery: 2 x CR2032 button batteries (included) Battery operating time: Two can light the collar for up to 100 hours