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 it looks great and is convenient to take to operate.< /p> Rechargeable battery: the battery capacity of transmitter and receiver is 300mAh for long lasting time, besides, there is a LED display on the transmitter. Both are integrated with a lithium battery. Waterproof receiver: this product is waterproof, so you can use it under the rain. But it can’t be used when swimming because not all parts are waterproof. 300 meter distance 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)< /span> Mode: electric / vibration / beep Three mode class: 1-5 Adjustable waistband: 15-55cm Collar Receiver/Remote Charging Voltage: DC5V Receiver/Remote Battery Capacity: 300mAh