Dogtra Yellow Splitter Cable for Charging Dog Collar and Remote simultaneously Litter Boxes The Ruff-Weather Pet Door was

The Ruff-Weather Pet Door was designed to handle all types of climate conditions

Give your cat access to her litter box without giving her litter box access to your home

using up to 18 levels of continuous and momentary stimulation

Up to 450 yards range (depending on geography and environment)

Conversion kit also available separately if you need to upgrade the standard unit to a reservoir unit

Dogtra Yellow Splitter Cable for Charging Dog Collar and Remote simultaneously Litter Boxes The Ruff-Weather Pet Door wasWorks with the following Dogtra Dog Training Collars: 202NCP (Serial Number less than 101961), 1802NC (Serial Number less than 100101), 1803NC (Serial Number less than 100101), 1804NC (Serial Number less than 100126), and EF 3000 Old. Need to purchase the primary splitter of 5 3 to expand off of. Features: Yellow 3mm female and two yellow 3mm male connectors.