- $19.99SimpliSafe Water Sensor Alarm - Flood Detection - Compatible with Gen 3 Home Security SystemAmazon
- $39.99Alarm Door/Window Contact Sensor (2-Pack) (2nd Gen)The Home Depot
- $199.99Alarm Wireless Security System, 5 Piece Kit (2nd Gen)The Home Depot
- $59.99Alarm Wireless Motion Detector (2-Pack) (2nd Gen)The Home Depot
- $9.79Alarm Magnetic Contacts Recessed Door Sensor 14×10×3 10pcs Wired Door Window Sensor Magnetic for Home Alarm SystemAmazon
- $139.99tolviviov Alarm System for Home Security, DIY Door Alarm Security Systems, Smart App Alerts, 15Piece Kit, No Monthly fee, WiFi Alarm, Door Window Motion Sensor, for Home Security, and Kids SafetyAmazon
- $58.99Umeima Alarm System for Home Security, Door Alarms for Kids Safety with APP, 9-Piece kit: HUB, Window Sensor, Remote, Work with Alexa for House, Apartment (WiFi 2.4GHz, 5GHz)Amazon
- SALEDekala Sunrise Alarm ClockAmazon・Sale
- $187.47and upRing Alarm Wireless Security System, 8 Piece Kit (2nd Gen) in White | 4K18SZ-0EN0Lowe's & 5 more
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- $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
- $25.99VOXON Window Alarm Door Alarms for Kids Safety Wireless Door Alarm for Home Security Personal Security Window Alarms Sensor Burglar Door Alarm for Pool, Cars, Sheds, Caravans DIY Kit (10 PC)Amazon
- $57.19CPVAN Home Alarm System Wireless, DIY Smart Door/Window Alarm for Home Security, WiFi Alarm with Phone APP Alert 13 Pieces-Kit (Alarm Hub, 8 Door Sensors, 2 Remotes, 2 RFID Cards),Work with AlexaAmazon
- SAVE $1.30$19.69$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
- $89.99tolviviov Home Alarm System(2nd Gen), 12 Pieces Smart Home Alarm Security System DIY No Monthly Fee, Phone Alert, Alarm Siren, Door/Window Sensors, Remotes, Work with Alexa, for House Apartment OfficeAmazon
- SALEwinshine OK to Wake Up Clock for Kids Alarm ClockAmazon・Sale
- $199.99and upring Alarm Security 5 pc Kit (2nd Gen) - WhiteMacy's & 4 more
- $329.99Ring Alarm 14-Piece Kit - home security system with 30-day free Ring Protect Pro subscriptionAmazon
- $52.99WSDCAM Window Alarm Sensors 125dB Ultra-Slim Wireless Glass Break Detector Vibration Alarm for Home Window and Door Security Glass Break Sensor Alarm - 8 PackAmazon
- SAVE $39.01$59.99$99.00WiFi Door Alarm System, Wireless DIY Smart Home Security System, with Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work with Alexa, for House, Apartment, by tolviviovAmazon
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- $309.98Ring Alarm Wireless Security System, 9 Piece Kit with Indoor Cam (2nd Gen), WhiteLowe's
- $26.99WiFi Smart Siren Alarm: Home Security Alarm with 100db Sounder, App Control, Smart Alarm Siren for Home Safety System & Smart Home Automation, Wireless Burglar Alarm, Compatible with AlexaAmazon
- SALEKogonee Wooden LED Digital Alarm Clock with Calendar, 0-100% Adjustable Brightness Dimmer and Volume, Dual Alarm, Snooze, 12/24H, Date, Wood Made Clock for Bedroom, Living Room, Office, Elderly, Adults, KidsAmazon・Sale
- $24.99Smart Siren Alarm, Loud 110 dB, Wireless Alarm for Home Security/Intrusion/Burglar Alarm KitThe Home Depot
- $13.99SECRUI Door Alarm for Home Security, Window Sensor, 120dB, 4 Modes, Easy Installation, Security Alarm for Kids Safety Home Garage Apartment Office (2 Pack)Amazon
- $13.99Door Window Alarm 2 Pack Noopel Home Security Sensor Burglar Anti-Theft 120DB Alarm with Batteries Included - DIY Easy to Install (2)Amazon
- $39.99and upRing Alarm Contact Sensor 2-pack (2nd Gen)Amazon & 2 more
- $106.92Wireless Alarm, Security System Started Kit - Echo Alexa and IFTTT compatibleThe Home Depot
- $309.98Ring Alarm Security Wireless 8-Piece Kit + Indoor Camera - Black BundleLowe's
- $11.99Tokatuker Wired Alarm Siren Horn 15W DC 6 to 12V Security Siren with Bracket for Home Security Alarm SystemAmazon
- SALEPeakeep Digital Clock, Alarm Clock for Bedrooms with USB Charger Port - Large Big Numbers 5 Brightness for Seniors, Battery Backup, Loud Alarm 5 VolumsAmazon・Sale
- $299.00and upRing 8 Piece White Alarm Pro Security KitAbt Electronics & 3 more
- $79.99and upRing Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommendedAmazon & 1 more
- $87.78Aluminum Alarm Kit for Panic Exit DevicesThe Home Depot
- $39.98and upRing Alarm Glass Break Sensor in White | B08TG6NCTSLowe's & 2 more
- SAVE $7.40$21.59$28.99HENDUN Wireless Door Alarm with Remote, Windows Open Alarms,Home Security Sensor, Pool Alarm for Kids Safety, Sliding (2 pack)Amazon
- $59.98and upRing Alarm Wireless Motion Detector 2-Pack (2nd Gen) in White | 4SP2SZ-0EN0Lowe's & 1 more
- $99.99and upRing Alarm Window and Door Contact Sensor 6-Pack (2nd Gen) in White | 4SD6SZ-0EN0Lowe's & 1 more
- SALEGovee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)Amazon・Sale
- $45.15Sabre Adjustable Door Security Bar with Removable AlarmQVC
- $34.98and upRing Alarm Flood and Freeze Sensor in White | B07M943G7LLowe's & 1 more
- $111.73and upTH Marine Boat Alarm (Two Way) (D), SilverAmazon & 2 more
- $66.99TUGARD WiFi Home Alarm Security System,Wireless DIY Smart Home Burglar Security Alarm System 12 Pieces Kits, Compatible with Alexa Google Home Voice Control for Villa Home ApartmentAmazon
- $352.37Wi-Fi 4G Alarm System for Home Security Wireless Home Alarm 20 Piece Kit with Siren PIR Motion Sensors Remote ControlsThe Home Depot
- $89.98Wireless Home Protection Alarm SystemThe Home Depot
- $82.98Wireless Security System Alarm KitThe Home Depot
- SALEDriveway Alarm KitAmazon・Sale
- $11.99WINONLY 130dB Door Stop Alarm | Portable Security Door Stoppers Wedge with Alarm Dual-Function Doorstop Alarm for Home/Hotel/Apartment/Travel (2-Pack)Amazon
- $134.96Wireless Security Alarm SystemThe Home Depot
- $312.50Wireless Portable Alarm System Security Device KitThe Home Depot
- $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
- $31.54Wireless Motion Alarm Kit and Alert SetThe Home Depot
- $73.74Smart Home Outdoor Alarm Controller and SirenThe Home Depot
- $12.99TAODAN DC 12V Siren Horn Wired Outdoor Alarm Loud Horn Sound Siren for Home Alarm System Security and ProtectionAmazon
- SALEWake Up Light Sunrise Alarm Clock for Kids, Heavy Sleepers, Bedroom, Upgraded Full Screen with Sunrise Simulation, Sleep Aid, Dual Alarms, FM Radio, Nightlight, 14 Colors, 7 Sounds, Ideal for GiftAmazon・Sale
- $34.99and upGuard Dog Security Doorkeeper with Alarm WhiteTarget & 1 more
- $231.09Wireless Home Alarm Kit No Monthly Fees with Hub, Door Window Sensors, Motion Sensor, Keypad and Keyfob (8-Piece)The Home Depot
- SAVE $159.60$239.40$399.00Google Nest Secure Alarm Starter Kit, WhiteBelk
- $27.45White Home Security Wireless Magnet Alarms Door/Window, 1-Piece Security Burglar Alarm for Kid SafetyThe Home Depot