Collision Sentry Multi-Zone Annular Ball Bearing Manufactured from Industrial Grade 14-gauge

Manufactured from Industrial Grade 14-gauge Steel

How do I choose the correct riser

Lock: key lock on front door and back door

Confirm model or manufacturer part number 85638

Collision Sentry Multi-Zone Annular Ball Bearing Manufactured from Industrial Grade 14-gaugeProduct Overview Collision Sentry Multi Zone is a two unit collision warning system for blind spots and conflict zones that are not limited to 90 degree corners. The paired units communicate wirelessly and can be positioned across passageways, on opposite sides of doors, or in other locations where traffic may approach from separate areas. Each factory preset unit is powered by included D cell batteries and can mount magnetically or mechanically.