MS-5 COLLAR BATTERY 6-PACK FULLY AUTOMATIC POWER PET PATIO DOORS our New PX Series features

our New PX Series features an extremely slim design

BATTERY INDICATORS: Tell you the charge condition of your optional back-up battery

This is hands down the best dog containment fence wire you will find anywhere

you can use this transmitter as a replacement or an upgrade

you can see the door’s operational history in terms of total number of opens

MS-5 COLLAR BATTERY 6-PACK FULLY AUTOMATIC POWER PET PATIO DOORS our New PX Series featuresModel B3V1A Battery 6 Pack for MS 4 and MS 5 Digital Ultrasonic Pet Collar This battery has been designed by the developers of the original Fully Automatic Power Pet Doors and safely powers your MS 4 and MS 5 electronic pet collars. Typically powers your MS 4 and MS 5 collar for 3 months, and has a shelf life of years. Also sold in 1 pack, 2 pack and 12 pack. IMPORTANT: Please make sure to always use genuine High Tech Pet replacement batteries. There