The T-4 transmitter features user-friendly lights to let you know that the transmitter is working properly or an audible sound when there is a problem with the signal field.
TS-5
Low Powered Outside Transmitter
The TS-5 transmitter is a lower power transmitter for homes with a 1/3 of an acre or less of yard space. It features a user friendly light to let you know that the transmitter is working properly or an audible sound if there is a problem with the signal field.
RT-2
Indoor Room Transmitter
The RT-2 room transmitter is a small/versatile device that is designed for containing or restraining pets in or from designated areas inside the home.