... 2.Color: 4 colors 3.flash:3 flash ways Led dog collar chain 1.Size: W*L 2.5 ... color:red,blue,yellow,green. led light chain,Led dog chain leads,led light chain,led productsLed dog chain leads description:1 ... ,Material: Nylon+ LED flashing optical fiber 2 Collar size:W*L ... 60-80hours ,normal 2-3months8,Visible up to 200 meters in the night. The reflective strip on over the ...