The Ancol USB Rechargeable Flashing Dog Collar Band is a big help in keeping your canine friend safe on dark evening walks. This innovative band simply charges via a USB charging point which provides the power to create a highly visible light that can be seen for up to 500 metres giving motorists warning of your pets presence.KEY FEATURES: Simply clips around your dog's neck for instant illumination for 500 metres making your dog unmissable The soft plastic outer and circuit can be cut to ensure a better fit 3 light settings flashing speedy flash and constant light Water resistant so safe in light rain USB rechargeable Charging time: 30 minutes - When the band is fully charged the charging light will go off A full charge provides 1.5 hours of constant light or up to 4 hours of flashing light Supplied on packaging that is widely recycled Size: Adjustable up to 70cm