High Tech MS-4 & MS-5 Collar Keys B3V1A-Replacement Batteries Microchip

High Tech MS-4 & MS-5 Collar Keys B3V1A-Replacement Batteries MicrochipHigh Tech Pet Battery Replacement for the MS 4 and MS 5 collar keys Set comes with 2 batteries Batteries last approximately 3 months The MS 4 and MS 5 B3V1A battery replacement is for the High Tech Pet Door collar, which activates the opening of the High Tech Power Pet Automatic Door Mount. These High Tech pet batteries last approximately 3 months, so it is recommended to purchase more than one replacement set. These work only with the MS 4 and MS 5,

Not only does this give you and your cat more freedom

Perfect solution for keeping unwanted critters out of your home

new lining of brush weatherstripping and the original base magnet

you'll no longer have to worry about energy loss or temperature fluctuation inside your home

trim-to-fit tunnel for various wall thicknesses

Gives your pets the freedom to come and go when they please

Head: Green in Colour

If you develop a new ocular condition like trauma

Comes in black or white to match your home

and asafoetida root

you get to control whether you want the cat door to be completely locked or unlocked

27cm to 4