Product details:

1900S Handsfree Plus Dog Collar, Black; Take training to the next level with the 1900S Handsfree Plus Dog Collar. The versatile 1900S e-collar comes with the compact Handsfree Square which allows you to control the transmitter remotely—so you can instruct your canine companion from up to thirty three feet away. The Handsfree Square lets you access various functions quickly and discreetly from the palm of your hand, and can be used by multiple trainers for an assorted range of training scenarios. The collar can be paired with up to 14 Handsfree Squares (each sold separately). Each Square can then be paired to a specific function so many users can quickly access any feature—great for families with multiple users or professional trainers working with new clients. The durable collar has a three quarter mile range and is waterproof, making it reliable even in demanding training conditions. Plus it offers 127 stimulation levels and HPP—High Performance Pager—vibration for more precise control. An ergonomic receiver shaped to your pups neck makes training more comfortable for your best bud.