Dog training collar: three modes to choose from: static shock, vibration and beep to perform training preferably. Mini shock collar for dogs: designed for mini size so that it has beautiful appearance and convenient to take to operate. Rechargeable battery: the battery capacity of transmitter and receiver is 300 for long lasting time, besides, there is a LED display on the transmitter. Both are integrated with a battery. Waterproof receiver: this product is waterproof, so you can use it in the rain. But it can’t be used when swimming because not all parts are waterproof. 300 meters remote control: you can sit inside to control the dog when playing outside if it is raining or hot outside. Specification: Remote control: up to 300 meters (without obstacles or interference) Mode: electric / vibration / beep Class of three modes: 1-5 Adjustable belt: 15 to 55cm Collar receiver/remote charging voltage: DC5V Receiver/remote control battery capacity: 300 Product weight: Receiver: 37g Remote