Petsafe HBC11-11050 Bark Control Dog Collar Concrete Stain 4 set screws allow for

4 set screws allow for adjustment to seal uneven gaps between bottom of door and floor

Check valve controls glue flow

Designed for recessed and track lighting

Phillips Drive & Bugle Head

and two T118B Basic for Metal blades

Petsafe HBC11-11050 Bark Control Dog Collar Concrete Stain 4 set screws allow forHighlights : Automatically adjusts to your dog's temperament starting at lowest level 6 levels of static correction, progressive correction feature increases correction to next strongest level Uses vibration sensor to sense for barking, sensor probe cannot be removed or adjusted Must fit properly, cannot attach leash to collar Dog should be at least 8 lbs One center black plastic sensor probe Manual and video included