Tired of guessing if THE DOOR is locked! The Doggie Door's RED stop sign lets you and your dog know instantly whether the door is in an open or locked position.

The door is locked with a simple turn or squeeze of the knob. This lowers the tabs from the door into the frame...

See how easy that is? No additional panel to fuss with.

Key Benefits

Door and frame is 1/2" thick
Rugged high impact plastic, practically indestructible
Easily cleaned
May be painted to match decor

100% replaceable parts
Rubber weather strips, springs, frame and door