SUPER BRIGHT - The Derlights dog collar light built-in 6 super bright LED beads that brightness and quantity exceed other similar products on the market. Make it easy to find your pet in the dark and keep your pet away from the dangers of bicycles and cars

USB RECHARGEABLE - Stop wasting your money on batteries! The dog collar lights adopts usb rechargeable technology, which can be charged on the computer or socket, eliminating the trouble of replacing the battery, environmentally friendly

IP65 WATERPROOF & PORTABLE - Made of ABS plastic, which lightweight so never worry about chewing issue. IP65 waterproof dog collar light allow your dog to play in the rain and mud without worrying about the damage of the collar light. Note: Don't immerse in water

EASY TO OPERATE - Select 3 modes by side button: high brightness, medium brightness, flash mode. 5-8 hours in high bright, 13-15 hours in medium bright, 18-20 hours in flash mode. Can also be used as a safety light for walking, hiking, riding, climbing

100% MONEY BACK - Our aim is to please the customer, We offer 5-year warranty and 100% money back. If you are not satisfied about your light up dog collar lights, please feel free to contact us and we will offer you a full refund or exchange!