2pcs MC-31 Surface Mount Wire NO+NC Door Sensor Alarm Magnetic Reed Switch White

Description:
1.Screw Mounted for easily install, PVC.
2.The reed switch is an electrical switch operated by an applied magnetic field.
3.Switch Type: NO means Normally Open:when the magnet separate, the circuit is not conductive( light on );When the magnet together, the circuit is conductive ( light off ), NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ).
4.Work as an , ideal for wood door and window.

Specification:
Product Name: Magnetic Door Switch
Model: MC-31
Hole Dia.: 5.8mm
Contact Type: NO (Normally Open)+NC(Normally Closed) 
Actuation Distance: 20mm
Each Size(Approx):  63 x 18.5 x 13mm, 65 x 12 x 13mm(L*W*H) 
Material: PVC
Color: White
Net Weight: 49g

Package Content:
2pcs x Magnetic Door Switch, Some Install Parts

Note: Door magnetic induction can only provide a switch signal to the device, which can not directly load the power, nor directly connect the lamp!

• The reed switch is an electrical switch operated by an applied magnetic field.
• Will make Sense Door Closer at Roughly 20mm
• Screw Surface Mount
• Work as an anti-theft alarm, ideal for wood door and window.