.Low battery consumption
Speed detection anti-run through.
Audible wire break alarm.
Specification:1.Pet fencing device with pulsed proportional stimulus. 2.Progressive tone stimulus. 3.Low battery consumption 4.Speed detection anti-run through. 5.Audible wire break alarm. 6.Visual wire break alarm. 7.Variable field width control. 8.Can be expanded for yards up to 5 acres with the purchase of additional wire/flag kits (sold separately). 9.Quick disconnect terminals. 10.Transmitter: 14.8x9.3x3.4cm. 11.Receiver: 6.5x3.9x3.2cm.