QENETY Magnetic Reed Switch, 8 Sets Normally Open Closed NC NO Magnetic Proximity Switch, Door Alarm Window Security Magnetic Door Switch, DC 5V 12V 24V Reed Switch, Black : Amazon.co.uk: DIY & Tools

1.Premium Material: Magnetic switch is made of flame retardant ABS material, wear resistant, fireproof, waterproof, safe, sturdy and durable. 2.Specification Parameter: Maximum Switch Voltage: 100V; Contact Capacity: 500mA(Maximum Switch Current); Rated Power: 10W(Maximum Switch Power); Contact Type: NC/NO/COM; Drive distance: 15-20 mm. 3.Contact Principle: NC/NO/COM: NC represents normally closed. When the magnets are together, the circuit conducts electricity; When the magnet is detached, the circuit is not conducting. NO means normally open: when the magnet is separated, the circuit is conducting; When the magnets are together, the circuit is not connected. 4.Easy to Install: There are two installation methods. This door magnet comes with 3M double-sided tape on the back or can be fixed and installed with screws, connect them to the alarm control panel and they will be ready for use. 5.Wide Application: Suitable for wooden door, window, metal doors, gates and any other, has a wide range of application. It can be used in homes, offices, shops, and other settings to detect the opening and closing of doors and window.

• Brand: N/A
• ASIN: B0CQ8CM4PD
• Marketplace: UK