¡¾LED Collar¡¿Features three light modes: slow flash, rapid flash, and steady light, enhancing your dog's visibility and safety at night ¡¾With Protective Cover for AirTag¡¿Specially crafted to not interfere with tracker signals while protecting your tracker from scratches and stains ¡¾Long-lasting Battery¡¿Built-in 250mAh battery with Type-C charging port, 1-hour charge provides 6-8 hours of use ¡¾Waterproof Construction¡¿Ultrasonic-sealed battery compartment with a transparent waterproof cover ensures protection against water immersion ¡¾Durable Buckle¡¿High-quality buckle prevents breakage even when dogs pull strongly ¡¾Adjustable Fit¡¿Features a buckle for size adjustment, suitable for various dog breeds and sizes Specifications: Material: Nylon and TPU protective case and ABS transparent cover Sizes: S: Length 30-39CM, Width 2.5CM, Weight 85G M: Length 33-45CM, Width 2.5CM, Weight 90G L: Length 39-55CM, Width 2.5CM, Weight 95G Battery Capacity: 250mAh Functions: Positioning and Illumination Battery Life: 6-8 hours Light Modes: Steady light / Fast flash / Slow flash Certification: CE certified Note: For AirTag tracker is not included. Package included: 1 x Pet Collar with Protective Cover for AirTag 1 x Charging Cable Other things not included