GE Battery Operated Magnetic Window and Door Alarms (4-Pack) 45174 - The Home Depot
Arlec Window and Door Magnetic Contact Alarm - 4 Pack - Bunnings Australia
Door/Window Alarm - Stop Your Teenager from Sneaking Out
GE Door and Window Sensor (4-Pack) in the Door & Window Sensors department at Lowes.com
Amazon.com: Wireless Home Security burglar alarm, Magnetic Sensor Door Window Alarm, Super Loud 110dB, Pool Door Alarm for Kids Pack of 4 : Electronics
Honeywell 958 - Overhead Door Magnetic Contact - Alarm Grid
Swann Magnetic Window/Door Alarm (Pack of 2) SW351-MD2 B&H Photo
Magnetic contact switch (door sensor) : ID 375 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Door Window Sensors Detector Home Security Magnetic Sensor Embedded Door Window Anti-theft Alarm Strong Concealment - Walmart.com
6/10/12x Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor | eBay
Amazon.com : Door Window Alarm 2 Pack Noopel Home Security Sensor Burglar Anti-Theft 120DB Alarm with Batteries Included - DIY Easy to Install (2) : Electronics
WiFi Door and Window Contact Sensor | Smart Home Monitoring
Honeywell 5899 - Magnet for 5816 Wireless Door Sensor and Window Sensor - Alarm Grid
HENDUN Wireless Remote Door Alarm, Windows Open Alarms,Magnetic Security Sensor, Pool Door Alarm for Kids Safety, Alzheimer's Apartment Alarm - Amazon.com
Wireless Home Security Door Window Entry Burglar Alarm System Magnetic Sensor - Walmart.com
WiFi Window & Door Alarm Sensor | Swann Security
Magnetic Door Switch Set - COM-13247 - SparkFun Electronics
Honeywell 943WG - Mini Magnetic Contact - Alarm Grid
Honeywell 945T - Mini Surface Mount Magnetic Contact with Screw Terminals - Alarm Grid
Door/Window Entry Alarm with Magnetic Sensor, Pack of 2 - Household Alarms And Detectors - Amazon.com
Magnetic door & window contacts for intruder alarm systems | Eaton
2 Doberman Security Window / Door Alarm Kits(2 vibration sensors 4 magnetic) | eBay
20 Pack Wireless Home Door Window Entry Burglar Security Alarm Magnetic Sensor - 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 940 - Magnetic Door Contact and Window Contact - Alarm Grid
uxcell Magnetic Sensor Home Door Window Entry Warning Switch: Reed Switch: Amazon.com: Tools & Home Improvement
