Jaycar Security Alarm Reed Switch Pair – N.C. Screw & Adhesive Mount | LA5072

Your door or window alarm circuit needs a reliable sensor pair that actually stays put. This Jaycar set comes as a matched pair – one unit with a powerful magnet, the other with the reed switch. Self-adhesive or screw mount, your call. Screw terminals for a solid connection. Contacts close when the two units sit together; open when they separate. That's your armed state. Wire it in, secure the door, set the alarm. Sorted

• Sold as a matched pair: one magnet unit + one reed switch unit
• Powerful magnets with self-adhesive backing or screw-mount option
• Screw terminal connections for a secure, long-lasting circuit
• Normally Closed (N.C.) per pair – contacts open when door/window moves
• Fits standard security alarm installations on doors and windows