Cuscinetto adesivo (Door Sensor Magnete) - Nuki

This sensor is essentially a reed switch, encased in an ABS plastic shell. Normally the reed is 'open' (no connection between the two wires). The

Magnetic contact switch (door sensor)

WESUA 5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System : Tools & Home Improvement

Keenkee 4 Set Magnetic Door Catch and Latch, Cabinet Magnets Hardware for Kitchen, Closet, Cupboard and Other Furniture Doors and Drawers Closer, Closure Closing, Black Tone Gun Metal Color

Keenkee 4 Set Magnetic Door Catch and Latch, Cabinet Magnets Hardware for Kitchen, Closet, Cupboard and Other Furniture Doors and Drawers Closer, Closure Closing, Black Tone Gun Metal Color

Door sensor (Beta) of the Smart Lock 2.0 – Nuki Support

Magnetic contact switch (door sensor) : ID 375 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Cuscinetto adesivo (Keypad)

Nuki Door Sensor Magnet Sensor Magnético para Puertas

Magnetic contact switch (door sensor) : ID 375 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Metal Surface Mounted Magnetic Contacts Roller Shutter Door Sensor - China Door Sensor, Magnetic Sensor

Screw terminal surface mounted magnetic contacts Nice looking and easy install Attractive cover keeps mounting screws and terminal screws hidden Mounting screws included Great for use in family and factory window, door, etc.

WESUA 5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm SE

Nuki Door Sensor Magnet Sensor Magnético para Puertas