... , it Water-proof and easy to adjustable with invisible square switch,very cool.The LED flashing dog collar makes your dogs, not ... flashing, color Changeable5,Battery life:upto 120 Hours 6,With on/off switch7,LED lights: red, blue, yellow, and red blink in ... enough space to move, make them more comfortable fashion necklace with led for pet lifetime upto 120hous many colors for selection