This underground electric fence is a safe， pet-friendly， reliable and excellent way to prevent your pet dog from running out to the designated areas.

Features:
Area Covered - Up to 5000 square meter range (over 1.2 acre).
Variable Field Width Control - Allows you to precisely control the width of the signal field.
Built-in Lightning Protection - Protects transmitter from power surges caused by lightning strikes.
Pulsed Proportional Stimulus - The closer your dog gets to the boundary， the more intense the shock will be.
Speed Detect Anti-Run through - The faster your dog is moving， the quicker the higher level of intensity is issued.
Progressive Tone Stimulus - A warning tone will be issued first， then a shock stimulus if your dog continues to move closer to the boundary.
Audible and Visual Wire Break Indicators - Should your buried wire ever break， a loud sonic alarm will sound accompanied by a flashing light.
Multiple Collar Operation - Add as many collars as you like to contain as many animals as you have. There is no limit to the number of collars it can control. (Only 2 receivers are included)

Specifications:
Material: ABS
Usage: Training !#!amp!*! Behaviour Aids
Transmitter Power By: Power adapter
Power Input: AC100-240V， 50/60Hz
Power Output: DC12V， 1000mA
Plug Type: EU plug / UK plug / US plug (Optional)
Receiver Powered By: 1 * 9V 6F22 battery per receiver (Not included)
Collar Strap Length: Approx. 20-40cm / 7.87-15.75in
Wire Length: 300m / 984.25ft
Transmitter Size: 12 * 10.8 * 3.5cm / 4.72 * 4.25 * 1.38in
Transmitter Weight: 150g / 5.29oz
Receiver Size: 7 * 3.8 * 3.4cm / 2.76 * 1.50 * 1.34in
Receiver Weight: 83g / 2.94oz
Item Weight: 688g / 24.27oz
Package Weight: 852g / 30.05oz
Package Size: 30.3 * 20 * 5.2cm / 11.93 * 7.87 * 2.05in

Package List:
1 * Indoor Wall-mounted Transmitter
1 * Power Adapter (UK Plug)
1 * 300m Boundary Wire
1 * Screwdriver
1 * Test Bulb
2 * Screws
2 * Adjustable Receiver Collar
2 * Green Soft Rubber Sleeves
2 * Extra Metal Contact Points
20 * Training Flags
1 * Manual (English)