AVANTEK Dog Training Collar Waterproof with Beep Vibration Static Shock Mode This training collar uses advanced RF 433Mhz technology that offers a solid 328 yards (300 m) remote range and is waterproof; allows your dog to dive into the water as far as 3 meters Three modes of training stimulation: beep, vibration and static shock. Each mode allows you to effectively teach your dog new commands, to stop the undesired behavior, and obedience train them using an included remote transmitter 100 graduated levels of beeps, vibration and static shock stimulation for you to select the best training approach based on the level of training your dog already has, the size of your dog, and how much stimulation your dog needs to pay attention to your commands Fits dogs of all sizes from 8 to 88 pounds. (4 kg to 40 kg); adjustable TPU belt fits dogs with a neck circumference of 14 to 23 inches and prevents sweat stains for durable use Uses a built-in lithium rechargeable battery with 300 mAh which supports one-month use on a full charge for the training collar; the remote transmitter includes a 9V lithium replaceable battery for convenience