Genuine High Tech Power Pet Door Collar with Digital MS-5 Transmitter Include Extra Batteries?:No Thanks This collar ships with a

This collar ships with a B-3V1A battery

you will not find a higher quality pet door anywhere

X-10 - Top of the Line Pet Containment Technology

Of course the TX-7 works equally well on yards as small as 1/10 of an acre

Genuine B-3V1A Batteries Safely Power Your MS-4 and MS-5 Collars

Genuine High Tech Power Pet Door Collar with Digital MS-5 Transmitter Include Extra Batteries?:No Thanks This collar ships with aSuper Advanced Technology, Value Pricing! The Gold Standard of Pet Electronics Technology Digital circuitry in this state of the art design provides a strong signal and maintains accuracy over all temperature ranges. It is extra rugged so it won't get damaged during your dog's "ruffhousing". With a robust, fully enclosed ultrasonic transducer speaker, it is immersible to 6ft., and although we don't recommend immersing your dog in 6 ft. of water