Lalago LED Night Safety Flashing Dog Collar Light up Glowing Pet Collar BRAND NEW LED COLLAR Adjustable band; 7 colors and 4 sizes for selection 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 is 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 60-80 hours (2 batteries)