Product Specifications: 4 humane training modes – Beep, Vibration (Low, Medium, High), Safe Static (1–99 levels), and Static Boost (20% higher) for effective and controlled dog training | IP67 waterproof and dustproof collar suitable for training, swimming, rain, or snow (remote is not waterproof) | Adjustable nylon collar fits dogs 8–120 lbs with neck sizes 8–24.4 inches; includes two pairs of static probes for different coat thicknesses | Fast charging via USB in 1.5 hours; working time up to 15 days for the collar and 60 days for the remote | 1600FT remote range allows training in the yard, park, or on walks | Remote features large digital screen, lightweight design, and lock setting to prevent accidental activation.