1) Progressive Tone Stimulus- A shock stimulus if your dog continues to move closer to the boundary 

2) Pulsed Proportional Stimulus - The closer your pet gets to the boundary, the more intense the shock 

3) Power Boost Switch-The width of the warning can be adjusted by field width adjustment knob in the transmitter 

4) Audio 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 

5) Speed Detect Anti-run Through- The faster your dog is moving, the quicker the higher level of intensity is issued 

6) Visual Wire Break Alarm- The system's control center will light spark if it senses a break in the wire 

7) Quick Disconnect Terminals - quick and secure connection or disconnection of the wire to the control center 

8) Low Battery Indicator - When the light on the collar is green, it is working properly.Red means time to replace the battery 

Specifications: 

1) Dimensions: (4.21 x 1.25 x 4.64) inch / (10.7 x 3.2 x 11.8) cm (L x W x H) 

2) Material: Plastic 

3) Color: as the picture 

4) Weight: 870g /30.68oz 

Package Includes: 

1 x Indoor wall-mounted transmitter 

1 x Power plug 

1 x Adjustable receiver collar 

1 x 9 Volt batteries for collar 

1 x Boundary wire of 300 meters 

2 x Extra metal contact points 

20 x Training flags 

1 x Test bulb