$18.73
Philips Battery Operated Wireless Personal Door/Window AlarmThe Home DepotSAVE $10.96
$11.99$22.95
Door and Window Security Bar with Sounding Alarm - MetallicHSN$39.99
Simple Home - XHS7-1003-WHT - WiFi Door Window SensorWalmart$44.99
WiFi Smart Window Glass Break Sensor Alarm for Home, 2 Pcs Tuya WiFi Wireless Door Vibration Alarm for for Garage/Store/Business,Use with Tuya WiFiAmazon$27.99
Window Door Alarm Sensors for Kids Safety Pool Door Alarms for Home SecurityAmazon$39.99
Door Window Alarms, Toeeson 120DB Pool Door Alarms for Kids Safety, Window Alarms for HomeAmazon$9.99
4 Pack Door Alarms for Home Security, Window Door Alarms, Wireless Window Alarm Sensors, Door Alarms for Kids Safety,DIY Protection Burglar Bell Alarm for Home,OfficeAmazon$20.99
Fastsun Smart WiFi Door and Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm 120db, Pool Alarm for Kids Safety, Detector Security Alarm Compatible with Alexa Google HomeAmazon$19.99
WSDCAM 130dB Loud Door Alarm Adjustable Volume, 5 Feature Modes Door Alarms for Kids Safety Home Security Pool Safety Alzheimers Door Window Open Sensor Wireless Door Alarm with RemoteAmazon$13.99
Zigbee Smart Door Window Sensor Detector, XFTOPSE Wireless Door Open Contact Sensor Window Real-time Alarm for Home Security and Smart Home Automation(Zigbee Hub Required)Amazon$29.99and up
Ooma Water Sensor works with Ooma Smart Home Security No contracts and free self monitor plan Optional professional monitoring motion door window siren smoke keypad and garage door sensorAmazon & 1 more$21.99
Door Alarm for Home Security, Door Open Alarm Sensor for Kids Safety Dementia Patients Window Alarm Sensor 125dB 4 Working Modes, Alarm System for Home Garage Apartment Office(Battery not Included)Amazon$14.99
Gxcdizx Door Window Alarm Super Loud 90 dB Wireless Door Magnetic Sensor Alarm for Home Security System, Pool Door Alarm for Kids Safety Toddler Door Open Alarm Sensor (6 pcs)Amazon$23.85
Irene Inevent Tuya ZigBee Door Sensor Living Room Wireless Window Connection Security Protection Alarm APP Notification Alert ElectricWalmart$28.99
10pcs Magnetic Sensor Wireless Home Window Door Burglar Security Alarm System noGroupon$16.99
Universal Home Security Monitor System,Door Window Magnetic Sensor Alarm Set with Wireless Remote ControlAmazonSAVE $11.25
$64.95$76.20
YardGard Programmable Gate Door Window AlarmWalmart$13.99
TOWODE Wireless Door Alarm with Remote for Home Security,Magnetic Sensor Alert with Control (2 Door Alarm+1 Remote)Amazon$26.98
Magnetic Door Window Alarm, Wireless Remote Sensitive Entry Sensor Anti-Theft Door Window Alarm Home Security System for Home, Office, School (White 2pack)Amazon$20.99
Door Window Alarm, 90DB Door Alarms for Kids Safety, Window Pool Alarms for Home (13 Pack)Amazon$14.99
Magnetic Door Window Alarm, Wireless Remote Sensitive Entry Sensor Anti-Theft Door Window Alarm Home Security System for Home, Office, School (White)AmazonSAVE $9,982.60
$16.40$9,999.00
GE Choice Alert Window/Door Sensor - Door and window sensor - wirelessWalmartSAVE $1.00
$5.99$6.99
2Pcs Magnetic Sensors Independent Wireless Home Window Door Entry Burglar Security Alarm SystemAmazonSAVE $3.00
$22.99$25.99
Infrared Motion Sensor Activated Sound Speaker Built with Microphone Recordable Voice for Shop Sale, Garage Door Alert, Greeting Visitor Door Chime, Security ReminderAmazon$12.99
TOWODE Door Sensor 120dB Wireless Window Alarm Anti-Theft 3 Work Modes Shop Door Chime with Remote Control, Scalable Burglar Alarm for Home Shop Security Kids SafetyAmazon$16.99
Wireless Magnetic Door Sensor and Remote Control Security Alarm Kits for Door Window, Real-time State Protection and Response in 200msAmazon$19.27
Irene Inevent Tuya ZigBee Smart Door Sensor Living Room Wireless Battery Powered Closed Open Detector Remote Control Office Security AlarmWalmart$6.89
Yoidesu Door Window Alarm Wireless Burglar Security Alarm System Home Window Door Entry Magnetic Sensor for Home, Garage, Apartment, Dorm, RV and OfficeAmazon$19.99
Ring Alarm Door/Window Contact Sensor (2nd Gen)The Home Depot$36.99
WiFi Smart Door Window Sensor Detector, Wireless Personal Security Door Window Real-time Alarm,Home Security Door Open Contact Sensor,Compatible with Alexa and Google Assistant(No Audible Alarm)Amazon$11.86
Security Wired Durable Window Door Contact Sensor, Magnetic Reed Switch, Office Home Security for Home Alarm System HomeAmazon$6.45
Pssopp Door & Window Sensors, 5pcs MC-38 Recessed Wired Door Window Sensor Magnetic Switch Home Alarm SystemAmazon$13.99
Door Alarms for Home Security, Real-time Wireless Door Sensor, Personal Security Window and Door Alarm, WiFi Door Open Contact Sensors for Kids Safety, Works with TUYA App, Easy to InstallAmazon$33.99
EverNary Window Alarm 125dB Loud Ultra-Slim Anti-Theft Alarm for Door and Window Glass Break Vibration Sensor Alert with Adjustable Sensitivity (5 PCS)Amazon$12.99
Window Door Alarm, Wireless Personal Home Kids Security Alarms with Chime for House, RV, Office, Business Safe (2Pack)Amazon$24.99
Window/Door Alert SensorSwann$39.95and up
Eve Door & Window Wireless Contact Sensor (1-Pack)Apple & 2 moreSAVE $4.40
$6.59$10.99
Wireless Window Door Alarm, Personal Home Security Two Way Door Alarm 130dB Super Loud Window Door Magnetic Sensor Door Chime for Home, Store, OfficeAmazonSAVE $6.00
$23.99$29.99
Window Door Alarms 4 Pack Noopel Pool Alarms for Doors Magnetic Entry Sensor Burglar Alert 120DB Loud for Home Security Kids SafetyAmazon$10.00
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)Amazon$20.99
Door Window Alarm, 90DB Door Alarms for Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms for Home, 15 PackAmazonSAVE $5.88
$24.09$29.97
First Alert OLCONTACT SmartBridge Wireless Window and Door Contact Sensor, 50' RangeWalmart$22.75
AduroSmart ERIA Smart Home Wireless Door + Window SensorThe Home Depot$255.00
SkyLink Wireless Home Alarm Kit No Monthly Fees with Hub, Door Window Sensors, Motion Sensor, Keypad and Keyfob (8-Piece), WhiteThe Home Depot$34.98
Window Door Alarm for Kids Personal Home Security Alarms with Chime for House, RV, Office, Business Safe (8Pack)Amazon$29.87
10Pcs Magnetic Sensors Independent Wireless Home Window Door Entry Burglar Window Alarm 120dB Loud Vibration Sensors Alarm-Easy Installation -Fits for Home, Office,Apartment (Wireless Door Burglar 50)Amazon$39.99
SABRE Home Security System with Remote, WhiteDICK'S Sporting Goods$29.99
Smanos Wireless Door/Window ContactWalmart$15.99
SABRE Wireless Home Security Door Window AlarmWalmart$23.68
SkyLink Wireless Garage Door Sensor for Net Connected Home Security Alarm & Home Automation SystemThe Home Depot$7.99
E-outstanding 2 Pcs Recessed Door Window Magnetic Switch Wired Home Security Alarm Contact Sensor, WhiteAmazonSAVE $7.60
$22.39$29.99
SABRE Wireless Home Security Door Window Burglar Alarm with LOUD 120 dB Siren, DIY EASY to InstallAmazonSAVE $6.00
$39.99$45.99
Door Alarm for Home Security with Remote, 6 Pcs Wireless Door Sensor Alarm with Adjustable Volume for Home, Kids SafetyAmazon$14.27
SABRE Wireless Door/Window Alarm with RemoteThe Home Depot$27.98
Window Door Alarm Wireless Alarms Black Personal Home Kids Security for House,Office (6 Pack) BlackAmazon$29.99and up
XODO DS1 2-Pack WiFi Smart Home Wireless App Controlled Door Window Sensor 0Groupon & 1 moreSAVE $2.00
$17.99$19.99
Switchmate - Door and window sensor - wireless - whiteWalmartSAVE $3.24
$18.58$21.82
Smartpool YG03 YardGard Gate/Door/Window AlarmWalmartSAVE $14.00
$25.98$39.98
Window Door Alarm Personal Home Kids Security Alarms with Chime for House, RV, Office, Business Safe (6Pack)Amazon$19.97
DOME - Door and window sensor - wireless - 908.4 MHzWalmart
$18.73Philips Battery Operated Wireless Personal Door/Window AlarmThe Home Depot