Feature: LED light glows and flashes in darkness. Bright light can be seen from far away. Provide safety for your little cat or little dogs while it's out alone at night. 360 degrees visible. Also work as a decoration: let your dog attractive like you. Durable nylon material. Size adjustable, suitable for little dogs, cats and some other little pets. Easy to wear and remove (on-off buckle). Easy to use: simply pushing the control button makes the light ON/FLASH/OFF. Product Attributes: Power source: LED light Light color: Red,Yellow,Blue,Green,Orange,White Modes:Flash Quickly/Flash Slowly/ Continuous On/Off Quantity: 1 Pcs Size:S/M/L/XL Size S 35~43cm(13.78"-16.93") M 45-~55cm(17.72"-21.65") L 52cm~60cm(20.67"-23.62") XL 52cm~60cm(20.67"-23.62") Package included: 1 x Pet led collar Note: 1.If your pet is a puppy/kitty, we recommend you carefully select the size or maybe buy a larger size, as your pet may grow between ordering and receiving the goods. 2.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid. 3.Please allow 1-5mm differences due to manual measurement. We also recommend the following accessories. Click Me Click Me If you have not found a suitable LED collar,I have more choices.Click Me.