?If you do not have a fenced yard and want to teach your dogs to stay within boundaries£¬ this is an excellent dog training product for you. It is an easy operation one and just take you a few minutes to figure out how to train your dog with it. <br><br><strong>Features:</strong> <br>Water resistant receiver. <br>Durable and adjustable strap. <br>Remote control range is up to 1000M. <br>Rechargeable transmitter and receiver. <br>Beep£¬ vibration and shock correction method. <br>Can be used for 1 or 2 dogs. (Only 1 receiver is included) <br><br><strong>Specifications:</strong> <br>Material: ABS <br>Transmitter &amp; Receiver Powered by: Power adapter <br>Plug Type: EU plug / UK plug / US plug (Optional) <br>Power Input: AC100-240V£¬ 50/60Hz <br>Power Output: DC5V£¬ 500mA <br>Collar Strap Length: Approx. 54cm / 21.26in <br>Item Weight: Approx. 213g / 7.50oz <br>Package Weight: Approx. 322g / 11.36oz <br>Package Size: Approx. 16 * 13.5 * 5.3cm / 6.30 * 5.31 * 2.09in <br><br><strong>Package List:</strong> <br>1 * Receiver <br>1 * Controller <br>1 * USB Cable <br>1 * Test Bulb <br>1 * Collar <br>1 * Power Adapter (UK Plug) <br>1 * Manual (English) <br>2 * Long Contact Probes <br>2 * Short Contact Probes