PetSafe Passport Dog Door Rechargeable Battery and Charging Station Agility Training Extension for 3-in-1 Wood Superyard

Extension for 3-in-1 Wood Superyard Pet Pen NS4940

Use at home or on the go

but it can also be mounted in a hallway when the walls don't line up

Rounded corners for pets protection

waterproof transmitter can be conveniently placed outdoors at the boundary

PetSafe Passport Dog Door Rechargeable Battery and Charging Station Agility Training Extension for 3-in-1 Wood SuperyardOptional rechargeable lithium ion battery and charging station for Passport Pet Access Smart Door. Features: Lithium ion Battery: 11. 1 VDC 2. 2 Ah 24. 42 Wh Power Adapter Input: 100 to 240 VAC 50 Hz to 60 Hz 0. 8 A Max Charger Output: 12. VDC 1. 1 A Charge Time: Less than 4 hours Includes one rechargeable lithium ion battery (additional batteries sold separately)