Door/Window Entry Alarm with Magnetic Sensor, Pack of 2 - Household Alarms And Detectors - Amazon.com
945WH-M - Alarm Magnet (for Any Non-Recessed Resideo Honeywell Home Wireless Door/Window Alarm Contact)
AliMed Basic Magnetic Pull Cord Alarm
5 Security Alarm White Adhesive Window/Door Magnet | eBay
Amazon.com: QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 10 with 40 Screws : Industrial & Scientific
10pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch - Walmart.com
Anti Theft Burglar Alarm with Remote, Wireless Window and Door Open Entry Alert Magnetic Contact Sensor Battery Operated Loud 130dB Siren for Home Security, Business, Kids Safety, Pool Entrance
Honeywell 5899 - Magnet for 5816 Wireless Door Sensor and Window Sensor - Alarm Grid
Honeywell 5899B - Small Magnet for Wireless Door and Window Contacts - Alarm Grid
Honeywell 945T - Mini Surface Mount Magnetic Contact with Screw Terminals - Alarm Grid
GE Battery Operated Magnetic Window and Door Alarm (2-Pack) 45115 - The Home Depot
Magnetic Sensor Home Door Window Entry Warning Alarm Switch Door Contact Magnet - Walmart.com
10 Pack Magnetic Alarm Contact Switch, Window / Door Sensor, Surface Mount