Color: Blue, white, red, orange, yellow, green , pink , colorful
Width : 1.5CM,2.0CM,2.5CM
- Usage: 2PCS CR2016 ( include ) button battery
- Battery life:60-80 hours, normal 2-3 months ; battery can be replaceable .
- the product is suitable for dark environment or walk the dog at night , outdoor and pet movement through the bright fiber optic light, from a warning , while expression of individuality , the fashion design fashion , day or night, when you turn on and off a light emitting function are suitable for pet use.