- $77.62Home Security System, Wireless Smart DIY Alarm Kit, with App/Email/Limited SMS Alert, 5-Pieces-KitThe 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
- SAVE $22.80$57.19$79.99CPVAN 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
- $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
- $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
- $25.28Smart Wifi Fire Smoke Temperature Sensor Alarm Wireless Smoke Temperature Detector for Automation Home Security Alarm System SmartLife APP ControlNewegg
- $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
- SALEAqara Smart Hub M2 (2.4 GHz Wi-Fi Required), Smart Home Bridge for Alarm System, IR Remote Control, Home Automation, Supports Alexa, Google Assistant, Apple HomeKit and IFTTTAmazon・Sale
- $294.58Yale Smart Living Sync Smart Home Alarm - Starter Kit - home security system - wireless, wired - 868 MHzNewegg
- $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
- 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
- $19.99Vibration Sensor,Requires Hub, Wireless Mini Glass Break Detector for Alarm System and Smart Home AutomationThe Home Depot
- $20.99Water Leak Sensor T1- Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Requires HubThe Home Depot
- $44.02Smart Outdoor WiFi Solar Alarm Siren IPX5 Waterproof Outdoor Sound Light Alarm Siren Sensor Home Security Alarm SystemNewegg
- $18.99Smart Motion Sensor: Zigbee PIR Motion Detector for Alarm System and Smart Home Automation, Free App Alerts, 360 Degree Detection Range, Triggering Lights and Scenes, Zigbee Hub RequiredAmazon
- SAVE $2.00$18.99$20.99Smart Caregive Pager Home Safety Patient Calling Button Alert Alarm System Wireless Alarm Emergency Call Button Elderly Monitor Caregiver Personal Pager for Elderly Kids (1 for 1)Amazon
- $49.99and upAqara Smart Hub M2 (2.4 GHz Wi-Fi Required), Smart Home Bridge for Alarm System, IR Remote Control, Home Automation, Supports Alexa, Google Assistant, Apple HomeKit and IFTTTAmazon & 1 more
- $22.99HoneTeek Smart Motion Sensor, WiFi PIR Motion Detector Alert Compatible with Alexa, Google Home,Wireless Home Security System Alarm with App Control, Smart Home Automation, Real-Time App NotificationAmazon
- $49.99and upAqara M1S Smart Hub, Wireless Smart Home Bridge for Alarm System, Home Automation, Remote Monitor and Control, Supports Apple Siri, Alexa, Google.Newegg & 1 more
- $23.97Nexete Smart Wi-Fi Motion Sensor Light Switch,Motion Detector PIR Infrared Motion for Alarm System & Smart Home Automation, Compatible with Alexa & Google Assistant (Single Pole Sensor Switch 1-Pack)Amazon
- $72.49Myfox BU0201 Home Alarm (Wi-Fi, Wireless Smart Home Security System, iOS & Android)Newegg
- $12.99WiFi Door and Window Sensor: Wireless Contact Sensor with Free App Notification Alerts, Smart Door Sensor for Alarm System & Smart Home Automation, Compatible with Alexa Google Home(1Pack)Amazon
- SAVE $6.90$16.09$22.99ShikeIot Water Leak Sensor, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Water Sensor Alarm for Kitchen Bathroom Basement 3PackAmazon
- $329.90Bellman & Symfon Push Button & Pager Pack – Doorbell Detector or Personal Alarm Wireless Alarm System for Hard of Hearing - Smart Home Safety Alarm Includes Push Button Transmitter & Pager ReceiverAmazon
- $16.99Wireless Motion Sensor, 360°Rotatable PIR Human Motion Sensor for Home Alarm System, 2.4G WiFi Motion Detector for Home Security System, Smart Infrared Motion Sensor for Home Garden. No Hub RequiredAmazon
- $98.00Wireless WiFi Smart Home Security DIY Alarm System with Motion Detector,Notifications with app,Door/Window Sensor, Siren,Compatible with Alexa,NO Monthly FeesAmazon
- $359.90Bellman & Symfon Baby Pager Notification Solution – Baby Safety System - Smart Home Alarm with Baby Monitor Transmitter & Pager ReceiverAmazon
- $20.30SONOFF PIR2 Wireless Dual Infrared Detector 433Mhz RF PIR Motion Sensor Smart Home Automation Security Alarm System for Amazon Alexa & Google HomeNewegg
- $399.95Veho Cave Smart Home/Business Wireless Security Alarm System Starter Kit with Hub / Motion Sensor / Contact Sensor / Remote Control with Smartphone.Newegg
- SAVE $26.00$82.99$108.99TUGARD1.8"TFT Colorful Screen Smart Home Security System 12Kits,Wireless Alarm Security System w/Phone APP Alert,Remote Controls,Monitor Window Door Sensor,Work w/Alexa&Google for Villa Home ApartmentAmazon
- $10.69Xergfob Tuya Water Leakage Sensor Detector WiFi Flood Water Leak Sensor Home Protection Alarm System Smart Life APP ControlAmazon
- $17.99Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation.Newegg
- $20.49Aqara Motion Sensor, REQUIRES AQARA HUB, Zigbee Connection, for Alarm System and Smart Home Automation, Broad Detection Range, Compatible with.Newegg
- $19.99and upAqara Vibration Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Glass Break Detector for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Works With IFTTTAmazon & 1 more
- $19.99Noorio Contact Sensor Alarm for Door and Window, Wireless Doorbell Chime with 2-Year Battery, Smart Alarm System with App Alerts for Home Security, Requires Noorio Smart Hub to WorkAmazon
- SAVE $5.99$31.99$37.98Aqara Wireless Mini Switch Plus Aqara Vibration Sensor Vibration Sensor, Requires AQARA HUB, Zigbee Connection, for Remote Monitoring, Alarm System and Smart Home AutomationAmazon
- SAVE $9.99$34.99$44.98Aqara Wireless Mini Switch Plus Aqara Temperature and Humidity Sensor3, Requires AQARA HUB, Zigbee Connection, for Remote Monitoring, Alarm System and Smart Home AutomationAmazon
- $43.99Onvis Thread-Enabled HomeKit Door Window Contact Sensor,Wireless Mini Low-Energy Contact Sensor for Alarm System and Smart Home Automation, No Hub Required(2Pack)Amazon
- $18.99WiFi Smart Motion Sensor: Indoor PIR Motion Detector, Free App Alert, Tuya App Remote Monitor, USB & Battery Dual Power Supply, Infrared Wireless Alarm System for Home Security & Home AutomationAmazon