This is Electronic Pet Fencing System for one dogs. It is among the most reliable， cost-efficient pet containment systems available today. A buried wire transmits a harmless radia signal.When you dog approaches the boundary， the signal causes the dog`s collar receiver to deliver a warning beep first. If your dog continues closer t the boundary， the system will issue a mild shock. If your dog continues further， hte system will issue stronger shocks until your god returns to within the boundary you have set up. Your dog will naturally seek to avoid correction， and is content staying within established boundaries

Features:

1.100%New and high quality

2，Pulsed Proportional Stimulus- The colser your dog gets to the boundary，the more intense the shock will be

3.Progressive tone stimulus- A warning tone will be issued first ，then a shock stimulus if your dog continues to move colser to the boundary

4.Variable field width control-Allows you to precisely  control the width of the signal field

5.Audible and visual wire break indicators-Should your buried wire ever break ，aloud sonic alarm will sound accompanied by a  flashing light

6.Speed detect anti-run through- The faster you dog is moving，the quicker the higher level of intensity is issued

7.Built-lightning protection-Protects transmitter from power surges caused by lighting strikes

8.Multiple collar peration-Add as many collars as you like to contain as many animals you have ，There is no limit to the number fo collars it can control

9.Up to 5000 aquare meter range(over 1.2 acre)

10.Quick disconnect terminals

11.Low power consumption

12.Waterproof

Package included:
1 x Indoor wall-mounted transmitter
1 x Power plug
1 x Adjustable receiver collar
1 x 9 Volt battery for collar
1 x Boundary wire of 300 meters
2 x Extra metal contact points
20 x Training flags
1 x Test bulb
2 xscrew
1 x User`s manual (English)