Philips-Battery-Operated-Keypad-Controlled-Door-Alarm-1-Pack-White
2 Doberman Security Window / Door Alarm Kits(2 vibration sensors 4 magnetic) | eBay
Honeywell 943WG - Mini Magnetic Contact - Alarm Grid
WiFi Window & Door Alarm Sensor | Swann Security
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
Honeywell 940 - Magnetic Door Contact and Window Contact - Alarm Grid
GE Magnetic Window or Door Alarm, Battery Operated with On/Off Indicator Light 5 Pack at Lowes.com
Honeywell 958 - Overhead Door Magnetic Contact - Alarm Grid
Magnetic Door Switch Set - COM-13247 - SparkFun Electronics
Honeywell 945T - Mini Surface Mount Magnetic Contact with Screw Terminals - Alarm Grid
Deltaco Smart Home Magnetic door and window sensor, WiFi - White - MaxGaming.com
Wireless Home Security burglar alarm Magnetic Sensor Door Window Alarm Super Loud Pool Door Alarm for Kids - Walmart.com
Magnetic Door Alarm Circuit using Hall Sensor
Wireless Home Security Door Window Entry Burglar Alarm System Magnetic Sensor - Walmart.com
20 Pack Wireless Home Door Window Entry Burglar Security Alarm Magnetic Sensor - Walmart.com
Arlec Window and Door Magnetic Contact Alarm - 4 Pack - Bunnings Australia
Pack of 6 Security Window Door Alarm DIY Home Protection Burglar Alert Sensor !! - Walmart.com
WiFi Door and Window Contact Sensor | Smart Home Monitoring
HENDUN Wireless Remote Door Alarm, Windows Open Alarms,Magnetic Security Sensor, Pool Door Alarm for Kids Safety, Alzheimer's Apartment Alarm - Amazon.com
Magnetic contact switch (door sensor) : ID 375 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Magnetic door & window contacts for intruder alarm systems | Eaton
Door Window Sensors Detector Home Security Magnetic Sensor Embedded Door Window Anti-theft Alarm Strong Concealment - Walmart.com
Sensaphone Magnetic Reed Switch 0006 - The Home Depot
Door/Window Alarm - Stop Your Teenager from Sneaking Out
