Overhead Garage Door Floor Alarm System Switch Contact Sensor Track Mounted

New GRI 4532 Miniature Overhead Door Contact Closed Loop Up to 2.5" Gap

Magnasphere MSS-10CL-B 3/8in Recessed / Concealed Contact Brown Closed Loop

Magnasphere MSS-26CL-W 1-in Recessed/Concealed Contact Closed Loop with Leads...

Lot Of 8 GRI 4532 Floor Mount Miniature Overhead Door Switch Set, 2-1/2" Gap

GRI 4532 Miniature Overhead Door Switch Set, Closed Loop, Up to 2-1/2" Gap

Magnasphere MSS-20CL-RS1P1-B 10pk Concealed Magnetic Door Contact Closed Loop

GRI 4532 Miniature Overhead Door Contact Closed Loop Up to 2.5" Gap N.I.P.