1Pair MC-38 MC38 Wired Door Window Sensor N/O Switch Magnetic Alarm 330MM Length 100V DC Normally-Closed NC For Home Safe

1Pair MC-38 MC38 Wired Door Window Sensor N/O Switch Magnetic Alarm 330MM Length 100V DC Normally-Closed NC For Home Safe

Specification: Brand new Color: white Material: ABS Dimension: approx. 27 x 14 x 8(mm) Switch pattern: N/O normally open, alarm-on-broken Voltage: 100V DC Rated power: 10W Actuation distance: 15-25mm Mounting method: SMD (by screws or double-sided tapes) Recommendations in application: wooden door, window Features: Easy installation Reliable performance Good characteristic of abrasion-proof Best Choice for you to protect family There are two types of reed switches: "normally open" reed switches and "normally closed" reed switches. The metal reeds on a normally open switch stay open when there is no magnet near the switch. In the presence of a magnetic field, the contacts of a normally-open reed switch will close. A normally-closed reed switch is closed when it is not near a magnet; as a magnet is brought close to it, a normally-closed switch will open Package included: 1Pair x door magnets (packaged with screws) Note: Please allow 2-3mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same