2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

30-10072 On Off Magnetic Reed Switch, Normally Open or Closed - Brown - Adhesive

Philmore 30-10072 Magnetic Reed Switch, SPDT .5A @20V, N.O./ or N.C.- in/outdoor

4PCS Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

Philmore 30-10072, *Normally Open/Closed Brown Magnetic Reed Switch 0.5A@20V DC

Reed Switch Normally Open/Closed Magnetic Induction door Switch Glass/Plastic

4-Set Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security

Lot of 3, Philmore N.O./N.C. Magnetic Reed Switch, No. 30-10072 (L ED)