This dog training collar offers three safe and effective training modes to help teach basic obedience commands and correct unwanted behaviors. Choose from beep, vibration, or shock modes with nine adjustable intensity levels to match your dog's temperament and training needs. The rechargeable receiver collar features IP67 waterproof protection, allowing your dog to wear it during bathing or swimming activities, though it should not be submerged for more than one hour at a time. The system provides an impressive remote range of up to 1640 feet, giving you the freedom to train your dog in various outdoor environments such as your backyard, local parks, or the beach. The adjustable collar strap extends from 7 to 28 inches, making it suitable for dogs of all sizes. The rechargeable lithium polymer battery charges in approximately two hours via micro USB and provides up to one week of standby time. This product contains chemicals known to the State of California to cause cancer or reproductive harm under Proposition 65. The collar receiver is constructed from durable ABS, silicone, and TPU materials in a sleek black finish, combining functionality with comfort for effective dog training sessions.