1. Collar measures 70 cm - But can be cut to any length using scissors to fit your pet.2. 3 Light setting: Slow flash・ quick flash and steady glow (Easy push button).3. Rechargeable MINI USB: This item equipment with a rechargeable line.4. The LED flashing tube can be set to flashing or light continuously by means of touch switch.5. Durable Tough: The whole plastic tube part can be rub・ extrusion in any shapes which won't affective the light of this collar.