2017 Small dog training fence shock collar, electric cheap safe invisible dog fence system

For all dogs with update version ,and most reliable.
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 Disconnet Terminals- 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.