Model Number: XR-P024-006-1 Brand Name: Xuerui Key Specifications/Special Features: Feature:Rechargeable Dog Collar, FlashingMaterial: TPU.Size: 65cm ( length can be cut).LightColors: red, blue, green,etc.Work mode: steady glow, quick flash, slow flash,power off.Battery: polymer lithium battery with100mAh capacity.It is perfect for training and walking occasion.Easily to see your dog in the dark by the bright.