The Trixie USB Flash Light Collar is an ideal accessory for walking your dog safely and visibly. This collar has a light in fixed or flashing mode, which can be recharged via a USB cable. In addition, you can adapt the size of the collar with a simple cut, and it is waterproof. Features: Material: silicone/plastic up to 3.5 hours of flashing light, up to 1.5 hours of continuous light water resistant with 'click' fastener individual size adaptable with a simple cut including USB cable (power adapter available separately ref. 12709)