Nylon LED Dog Collar For Night Safety Anti-lost Flashing Light

1.2m dog killed by cars every year. #save our beloved dogs with this revolutionary product..   LED dog collar,light glows and flashes in darkness. Function:  1.Help to keep your dog & other pets dog safe and anti-lost during walking in night.  2.Provide safety for your dogs and pets. while it's out alone at night. Instructions for use： 1.Pull out the Transparent Insulating Film simply pushing the control button makes the light ON/FLASH/OFF, Collar has 4 different options controlled with a switch on the collar Solid Light, Fash Blink, Slow Blink,and Off.   2.Collar is Silicone waterproof. This means that it is fine in the rain but not suitable for a dog swimming. 3.Batteries last 60-80 hours and can be changed,the kinds of battery is 2pcs CR2016batteries. Size: S:  Width 2.5CM(0.98Inch)          length  35~43CM(13.8~16.9Inch) M: Width 2.5CM(0.98Inch)          length  40~48CM(15.7~18.9Inch) L:  Width  2.5CM(0.98Inch)        length  45~52CM(17.7~20.5Inch) XL:Width  2.5CM(0.98Inch)