Electric Dog Fence with Three Dog Shock collars. This electric dog fence comnines with three dog training shock collars. You can control three dogs at the same time. We create such combination, because some of our customers would like to selct more dog collars with one wireless dog fence. This electric dog fence combination will come with its original package. Again you can select our Electric Dog Fence with Two Dog Shock Collars if you need two shock dog collars. 
Main Features:
1. Pulsed Proportional Stimulus- The closer your dog gets to the boundary, the more intense the shock will be
2. Progressive Tone Stimulus- A warning tone will be issued first, then a shock stimulus if your dog continues to move closer to the boundary
3. Variable Field Width Control- Allows you to precisely control the width of the signal field
4. Audible and Visual Wire Break Indicators- Should your buried wire ever break, a loud sonic alarm will sound accompanied by a flashing light
5. Speed Detect Anti-Run Through- The faster your dog is moving, the quicker the higher level of intensity is issued
6. Built-In Lightning Protection- Protects Transmitter from power surges caused by lightning strikes
7. Multiple Collar Operation- Add as many collars as you like to contain. Up to 5000 square meter range (over 1.3 acre)
what is included:
3 pcs Adjustable receiver collar
1 pcs Indoor wall-mounted transmitter 1 pcs Power adaptor
1 pcs 6 Volt battery for collar
1 pcs Boundary wire of 300 metres
2 pcs Extra metal contact points
20 pcs Boundary Training flags*20 Mounting screws(for your transmitter)
1 pcs User’s manual
