MECCANIXITY Wired Contact Sensor RC-36, Brown White NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch for Home Security, Pack of 15

What is this?
These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm systems. Work as an anti-theft alarm, is good for metal doors and window.

What will I get?
Magnetic Door Switch, which is in size of:
Model: RC-36
Contact Type: NC (Normally Closed)
Each Size(Approx): 25 x 23.6mm / 0.98″ x 0.93″ (H*D)
Cable Length(Each): 26cm / 10.2″, 25cm / 9.8″
Material: ABS (Housing)
Wire Type: 1007UL#24AWG
Color: Brown, White
Net Weight: 123g, 244g
In the package of: 5pcs x Brown Magnetic Door Switch, 10pcs x White Magnetic Door Switch

Is there any advantages of the product?
The ABS plastic shell has the advantages of heat resistance, corrosion resistance, flame retardant, high impact resistance, and good stability; it is small and exquisite, light in weight, fixed with screws, and has good concealment; it respond sensitively and alarms quickly.

How to use it?
1.NO means Normally Open: when the magnet is separate, the circuit is conductive( light on ); When the magnet is together, the circuit is not conductive ( light off ). When making the order, pls check carefully!
2. NC means Normally Closed: when the magnet is separate, the circuit is not conductive( light off ); When the magnet is together, the circuit is conductive ( light on ). When making the order, pls check carefully!

What should I notice?
Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!