The sporty pulsating Electro-Luminescent glow of the Visiglo leashes make these perfect for drawing attention to you and your pet at night. Visiglo illuminated leashes feature top quality components. The electronics have been engineered to maximize battery life and wire brightness. Visiglo leashes utilize a garment-suitable nylon with an extremely high thread count, resulting in heavy duty leashes that are easier for owners to hold. These leashes use 2 AA batteries (included and replaceable). The full length of the leash is approx. 4 feet, with nearly 3 feet of EL wire. Available in your choice of blue or green EL Wire.