<ul><li>Product Name: Magnetic Switch; Material: ABS; Model: MC-31B; Contact Type: NC/NO/COM</li><li>Transmitting Distance: 15-25mm; Contact Capacity: 0.5A(Maximum Switch Current); Rated Power: 10W; Working Voltage: DC 100V</li><li>Size: 55 x 12 x 11mm / 2.2\" x 0.47\" x 0.43\"(L*W*H); Mounting Hole Size: 7 x 2.5mm/ 0.28\" x 0.1\"(L*W)</li><li>Mount Type: Surface Mount with Screws; Magnet: Ferrite</li><li>Net Weight: 182g; Package Content:10Sets x Magnetic Door Switch,Some Mounting Screws</li></ul><br><br>- Switch Type: NO/NC, circuit is connected when magnet is near the switch.\n-The reed switch is an electrical switch operated by an applied magnetic field.\n- Designed for use with alarm systems.\n- Great for use in family and factory window, door. etc.\n- Screw Mounted for easily install.

10 Sets MC-31B Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security