This Orbiloc Dog Dual Safety Light is a high quality LED safety light designed to keep both dog and owner safe whilst walking in the dark. and is suitable for large and small dogs. The Orbiloc light has a 5km visibility radius and a long battery life . They are 100% waterproof and can withstand hot and cold temperatures. They are designed for all dog breeds and can be easily attached to any dog gear with its adjustable strap. .