ArmorFlex / DuraFlex Aluminum Wall Tunnel - Medium ALL BATTERIES & CHARGERS and create up to 20

and create up to 20 custom timers to set the exact times your pet is allowed in and out

reliable signal while maintaining accuracy across all temperature ranges

It is also the only Pet Containment transmitter that gives you the option of installing an AUTOMATICALLY RECHARGING back-up battery

This allows you to create smaller boundaries within your yard to keep Fido away from the pool

Audible and Visual Cable Break Indicators: Should your buried cable ever break

ArmorFlex / DuraFlex Aluminum Wall Tunnel - Medium ALL BATTERIES & CHARGERS and create up to 20Professional Looking Wall Installation! Our Wall tunnel for Armor Flex Energy Efficient Pet Doors lets you achieve a professional looking wall installation, adapting your door model into a wall model door.