Features:
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
9.Suitble for outdoor use

Specifications:
1.Dimensions(L x W x H): (5.82 x 3.34 x 1.18) in/(14.8 x 8.5 x 3)cm
2.Material:Plastic
3.Color:Black

Package Includes:
1 x Adjustable receiver collar
1 x 6-volt 4LR44 battery
1 x Power plug
1 x Indoor wall-mounted transmitter
1 x Power plug
5 x Accessories

Note :You could choose the set what you want.