- $77.62Home Security System, Wireless Smart DIY Alarm Kit, with App/Email/Limited SMS Alert, 5-Pieces-KitThe Home Depot
- $199.99Alarm Wireless Security System, 5 Piece Kit (2nd Gen)The Home Depot
- $79.99Amcrest Home Security System, DIY Smart Home Alarm System for Home with No Monthly Fees, Remote Arm/Disarm & Phone App Alerts, 4 Pieces-Kit (PIR.Newegg
- $25.28Smart Wifi Fire Smoke Temperature Sensor Alarm Wireless Smoke Temperature Detector for Automation Home Security Alarm System SmartLife APP ControlNewegg
- $89.98Wireless Home Protection Alarm SystemThe Home Depot
- $352.37Wi-Fi 4G Alarm System for Home Security Wireless Home Alarm 20 Piece Kit with Siren PIR Motion Sensors Remote ControlsThe Home Depot
- $19.79Wireless Security Kaychain Remote for Net Connected Home Security Alarm & Home Automation SystemThe Home Depot
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- $9.89Alarm Magnetic Contacts Recessed Door Sensor 14×10×3 10pcs Wired Door Window Sensor Magnetic for Home Alarm SystemAmazon
- $64.99Splenssy WiFi GSM Home Alarm Security System, 2.4in LCD Wireless DIY Smart Home Burglar Security Alarm System 10 Piece Kit, Compatible with Alexa Google Home Voice ControlAmazon
- $294.58Yale Smart Living Sync Smart Home Alarm - Starter Kit - home security system - wireless, wired - 868 MHzNewegg
- $55.98CPVAN Home Alarm System, Door Alarm System with Phone APP Alert, Door Window Sensor, Remote, Alarm Siren for Kids Elders Safety, Fit House Apartment, Compatible with Alexa, 2.4G/5G Wi-Fi 8PCS KitAmazon
- $0.99Home Security Alarm System ProvidersAmazon
- $89.99YISEELE Alarm System for Home Security, Wi-Fi Door Alarms for Safety with APP Alert (2.4GHz and 5GHz WiFi), Wireless 16-Piece kit: HUB, Door Sensors, Anti-pet PIR, Remotes, Work with AlexaAmazon
- $134.96Wireless Security Alarm SystemThe Home Depot
- $312.50Wireless Portable Alarm System Security Device KitThe Home Depot
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- $106.92Wireless Alarm, Security System Started Kit - Echo Alexa and IFTTT compatibleThe Home Depot
- SAVE $4.00$49.33$53.33Umeima Alarm System for Home Security, Door Alarms for Kids Safety with APP, Wireless 9-Piece kit: HUB, Window Sensor, Remote, Work with Alexa for House, Apartment (WiFi 2.4GHz, 5GHz)Amazon
- $187.47and upRing Alarm Wireless Security System, 8 Piece Kit (2nd Gen) in White | 4K18SZ-0EN0Lowe's & 3 more
- $19.99Chatthen WiFi Window Alarm Sensor, Tuya Smart Door Alarm with Light Alarm, Home Wireless Security Alarm System with Intelligent Linkage, Timing, APP Remote ControlAmazon
- $39.99KERUI Home Security System 110dB Wireless Burglar Alarm System with Siren, Remote Control, and Door Magnetic Sensor. Perfect for House Alarm Systems, and Door Alarms for Home (Kit 1)Amazon
- $74.36Wireless Deluxe Indoor Outdoor Motion Window Door Long Range Household Alert and Alarm SystemThe Home Depot
- $13.98WiFi Wireless Door Window Sensor,TUYA Smart Alarm with Free Notification APP Control Home Security Alarm System, Compatible with Alexa, Google Home, Siri (1-Pack)Amazon
- $73.90TOWODE Home Security System Wi-Fi (2.4 GHz) Door Alarm System with APP Alert DIY Kit, Weatherproof Siren 120 dB Home Alarm System for House Office Apartment Business Factory Security AlarmAmazon
- $65.00PG103 Home Security Alarm System,4G Alarm 8-Pieces-kit System with Phone APP Alert,Door/Window Sensor, Siren,Compatible with Alexa,NO Monthly FeesAmazon
- SAVE $5.14$42.85$47.99GRSICO Wireless Home Alarm System 7-Piece Kit, WiFi Alarm System for Kids Safety, Home Security, Apartment, Door Window Alarm with Phone App Alert(130dB Alarm Siren, Remote, Door Sensors)Amazon
- $199.99Arlo Home Security System - Wired Keypad Sensor Hub, (2) 8-in-1 Sensors, 24/7 Professional Monitoring- No Contract Required, DIY Installation, Alarm System for Home Security – SS1201, WhiteAmazon
- $28.99Siren Alarm, Outdoor Siren Speaker with 150 High Decibels, Security Horns & Sirens, 12v Alarm System with Adjustable Angles for Increasing Sounds, Alarm Siren for Home Security and Building IntercomsAmazon
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- SAVE $20.00$89.99$109.99WiFi and GSM 17-Piece kit, Wireless Home Security Alarm System, Door/Window Sensor Entry Sensors (x10) with Smart Life and Tuya App Alert, 24/7 Monitoring Works with Google Assistant and AlexaAmazon
- $49.99KERUI WiFi Home Security Alarm System 8-Piece kit Door Alarm System DIY Siren Door/Window Sensors Remotes Burglar Alarm for House Apartment Office,Compatible with Alexa Google HomeAmazon
- $27.99Window Alarm System 4-Pack - Ultra-Loud 120dB Alarms with Advanced Vibration Sensors - Window Security Alarms for Glass Break Detection - Features Low Battery LED IndicatorAmazon
- $30.00TZJZ Door and Window Alarm Sensor, Entrance Sensor, Compatible with TZJZ Home Alarm System, Compatible with All parameters 433MHZ/EV1527 Home Alarm SystemAmazon
- $149.00and upeufy Security 5-Piece Home Alarm Kit, Home Security System, Keypad, Motion Sensor, 2 Entry Sensors, Home Alarm System, Control from The App, Links with eufyCam, Optional 24/7 ProtectionAmazon & 1 more
- $39.99WSDCAM Door and Window Alarm for Home Wireless Alarm Security System Magnetic Alarm Sensor Close Door Reminder Loud 110 dB, 4-in-1 Mode Window Alarms 10 PackAmazon
- $45.09Ring Alarm Home Security System Contact Sensors, Pack Of 2 SensorsOffice Depot
- $11.99Tokatuker Wired Alarm Siren Horn 15W DC 6 to 12V Security Siren with Bracket for Home Security Alarm SystemAmazon
- $329.99Ring Alarm 14-Piece Kit - home security system with 30-day free Ring Protect Pro subscriptionAmazon
- $6.992 Pack Window Door Alarm, Door Sensor Alarm for Kids Safety, Alarm System for Home Security with No Batteries for Pool, Garage, Apartment, Dorm, RV and OfficeAmazon
- $199.99and upRing Alarm 5-Piece Kit - home security system with 30-day free Ring Protect Pro subscriptionAmazon & 1 more
- $12.99TAODAN DC 12V Siren Horn Wired Outdoor Alarm Loud Horn Sound Siren for Home Alarm System Security and ProtectionAmazon
- SAVE $1.00$9.99$10.99WESUA 5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security SystemAmazon
- $17.59US 12-24 Pack WIRELESS Home Window Door Burglar Security ALARM System Magnetic 12 PackGroupon
- $61.36BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 4 Motion Detector and 2 Alarm, 38.Newegg
- $41.99and upKERUI Upgraded Standalone Home Office Shop Security Alarm System Kit,Wireless Loud Indoor/Outdoor Weatherproof Siren Horn with Remote Control and Door Contact Sensor,Motion Sensor,Up to 115dbAmazon & 1 more
- $19.99Spacer for Simplisafe - Security Sensor Spacer for Wireless Home Security System, DIY Alarm Spacer for Door Window Home Security System Accessories, Sensor/Magnet Not Included (0.25 INCH)Amazon
- $7.39SOS Panic Button, DC 24V Wired Emergency Alarm Alert System Safe Kit for Home Office SecurityAmazon
- $27.95MK-MT Skylink Wireless Security Keychain Remote Keyfob for SkylinkNet Connected Home Alarm Security & Home Automation System and M-Series. Remotely Arm & Disarm your Home Security SystemAmazon
- $19.99SimpliSafe Water Sensor Alarm - Flood Detection - Compatible with Gen 3 Home Security SystemAmazon
- $10.89THE PERFECT PART Wireless Home Window Door Alarm - Pack of 6 Pcs | Burglar Security Ring doorbell System with Magnetic Sensor - Ring Security System for HomeAmazon
- $14.49Miokycl DC12V 15W Wired Alarm Loudly Sound Horn with Bracket for Home Security SystemAmazon
- $47.35HA-434RTL Wireless Home Garage Driveway Business Office Motion Alert and Alarm Security Indoor Outdoor Infrared Detector System KitNewegg
- $10.98Sensor Riser Compatible with Ring - Security Sensor Spacer for Wireless Home Security System, Self Adhesive DIY Ring Alarm Spacers (1.50 Inch)Amazon
- $9.99GREENCYCLE 1 Set Wireless Entry Home Door Window Burglar Alarm Safety Security Burglar Alert System Magnetic Sensor Emergency Doorbell ChimeNewegg
- $249.95Nest Secure Alarm System Starter PackNewegg
- $166.49Google Nest Secure Alarm System Starter PackNewegg
- $13.89Trip Alarm Perimeter Trip Wire Alarm Device 360 Degree Coverage Early Warning Security System Reusable Device for Camping SecurityAmazon
- $20.99Trip Wire Alarm Device 12 Gauge Camping Trip Alarm for Camp Safe Property Safety Tent Alarm Outdoor Security Perimeter Trip Alarm Early Warning Security System Line Scare Animals AluminumAmazon