Nestling®Underground/Inground Smart Electric Electronic Hidden Waterproof Shock Containment Pet Dog Fencing Dog Collar System W-227 with two Collars for 2 Dogs

Product Feature:
Pulsed Proportional Stimulus - The closer your pet gets to the boundary, the more intense the shock. Progressive Tone Stimulus - A warning tone will be issued first, then a shock stimulus if your dog continues to move closer to the boundary.
Power Boost Switch- Allows the width of the warning are to be adjusted.
Speed Detect Anti-Run Through(Effective distance:5M)- The faster your dog is moving, the quicker the higher level of intensity is issued.
Audible Wire Break Alarm- The system's control center has an audible alarm to alert you if it senses a break in the wire or if the boundary system is not functioning correctly.
Visual Wire Break Alarm- The system's control center will light alsoup if it senses a break in the wire. Quick and secure connection or disconnection of the wire to the control center.
Low Battery Indicator - When the light on the collar is green, it is working properly. Red means time to replace the battery.
1. Receiver is Water Resistant
2. The contact prongs are optional
3. New Testing Tool
4. The Detachable Strap

Package Included:
1x Indoor Wall mounted transmitter
1x Power plug
2x Adjustable receiver collars
2x 9 volt batteries for collar
1x Boundary wire of 300 meters
4x Extra metal contact points
20x Training flags
1x Test bulb
2x Screws
1x User's manual