The product has passed Fcc certification. Using the latest technology, and the receiver will not electric shock the dog after the host is turned off.
The transmitter has two modes: fence and dog training. When the DC 5V power supply is not connected, it is in the fence mode when it is turned on; when it is connected to the DC 5V power supply, the transmitter is turned on after it is turned off, and it is the mode used before turning off after it is turned on.
The fence mode is centered on the transmitter, with 100-2,000 feet, a total of 10 levels can be adjusted.$189.00