Nite Ize Nitedog Rechargeable Leash N05463. Integrated optical fiber and two high-powered LEDs provide full-length illumination. Glow or flash. Easy push-button operation. Soft-grip padded handle for extra comfort. Water resistant. High-quality hardware for secure attachment to collars. Recharges in approximately 1.25 hours using micro USB cable (not included). Run time: Red/blue: 6.5 hours. Run time: Lime/green: 7.5 hours. Color: Red. Hang packaged. Package Contents: Nite Ize Nitedog Rechargeable Leash