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UPS with automatic voltage regulation?

Home battery backup systems?

UPS vs power bank differences?

How long do backups last?

Google Assistant Compatibility:

Amazon Alexa Compatibility:

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Smoke Detector, AA Battery Operated, Compact Size, LED Status Light, 85 dB Alarm, 4-inches

$34^.19

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Ring Outside Door Sensor, Amazon Sidewalk, Grey

$42^.99

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Shelly BLU H&T Display ZB Black, Bluetooth & Zigbee Operated Temperature & Humidity Levels Sensor, E-Paper Display, Home Assistant, Alexa, Google Home, Real-Time Monitoring, Long-Life Battery

$25^.99

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eufy Security Entry Sensor E20, Window & Door Alarm, 5-Year Battery Dual-Side Detection, Instant Alerts, Bypass Button, 656ft open-air range, HomeBase 2/3/Mini/Pro required, No Monthly Fee

$29^.99

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Battery Operated Small Alarm Clock: Digital Compact Large Display Cordless Clock for Bedroom Travel - Simple to Use for Seniors Teens White Digits

$33^.99

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Upgraded Smart Water Leak Detector 1s with 1804 ft Ultra-Long Range, WiFi Water Sensor with SMS/Email/APP Push and Sound Alarm,5-Year Battery Life, 5 Pack, Suit for Home, Basement, Kitchen

$95^.99

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eufy Security Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts, Triggers Siren, 2-Year Battery Life, Requires eufy Security HomeBase, Links with HomeBase-Connected Devices

$29^.99

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eufy Security Home Alarm System Motion Sensor, 100° Coverage, 30ft Detection Range, 2-Year Battery Life, Adjustable Sensitivity, Requires eufy Security HomeBase, Links with HomeBase-Connected Devices

$24^.99

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eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control

$34^.99

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Shelly BLU Motion ZB- PIR Motion & LUX Sensor, Zigbee 3.0, Bluetooth 5 LE, Long-lasting battery, Home Automation, Compatible with Google Home & Alexa

$26^.99

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Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control

$63^.99

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Battery Operated Small Alarm Clock: Digital Compact Large Display Cordless Clock for Bedroom Travel - Simple to Use for Seniors Teens White Digits

$33^.99

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Shelly Flood Gen4 Smart Leak & Rain Detector, Matter-Certified, Wi-Fi/Zigbee/Bluetooth, 2m Extendable Leak Sensor Cable, IP44, Built-in Buzzer, Battery Powered

$39^.99

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WT501-W WiFi Smart Heat Detector Fixed Temperature Sensor (57°C/135°F), Wireless Fire Prevention Alarm, 85dB Siren, Tuya App Remote Alerts, 3V Lithium Battery (10+ Years), for Kitchen Garage Basemen

$125^.84

More options from $57.99 - $125.84

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eufy Security Motion Sensor E20, Pet-Friendly Motion Detector, 5-Yr Battery Filters pets up to 80 lbs, Fewer False Alarms, Easy Installation, Requires HomeBase 2, 3, Mini, or Pro

$39^.99

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Shelly Flood S Gen4 Smart Water Leak Sensor, Matter-over-Wi-Fi, Wi-Fi 6, Zigbee 3.0, Bluetooth 5 LE, IP67, CR123A Battery

$27^.99

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Upgraded Water Leak Detector 1s with 4.92 ft Cable, 1 Pack | Water Sensor with 105dB Adjustable Alarm, 5Yr Battery Life, IP67 Waterproof, Suitable for Home, Basement, Kitchen, Cabin/RV

$33^.99

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$25^.99

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Eve Door & Window (Matter) 3 pack – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread

$111^.99

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Motion Sensor, Home Alarm System, 100° Coverage | 30 ft Detection Range, 2-Year Battery Life, Adjustable Sensitivity, HomeBase Required, Optional 24/7 Protection Service

$47^.99

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Water Leak Detector, Zigbee Water Detector Sensor for Home | Battery Operated Water Alarm, Zigbee Hub Required, Supports Home Assistant, SmartThings, Hubitat

$29^.99

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Google Nest Temperature Sensor (2nd Gen) GA05552-US - White

$45^.99

$1.99 Shipping

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Mighty Mule FM231 Wireless Driveway Alarm Electromagnetic Vehicle Detection, Indoor Receiver, 400 ft Range, Expandable, Battery Powered, Easy Installation, Driveway & Property Security System

$142^.89

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Zigbee Smart Garage Door Tilt Sensor, Adjustable Sensitivity Levels, 2-Year Battery Life, Zigbee Hub Required

$38^.99

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Upgraded Water Leak Detector with 105dB Adjustable Alarm, 3 Pack | Dual probes detect leaks, 5Yr Battery Life, IP67, Suit for Home, Basement, and Kitchen, Cannot Connect to WiFi Directly

$61^.99

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Natural Gas Detector, TopTes PT177 Gas Leak Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Leak Sources Like Methane, Propane for Home (Includes Battery x2)-Orange

$35^.88

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Ring Panic Button (Newest Model), Amazon Sidewalk, White

$29^.99

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Ring Temperature & Humidity Sensor, Amazon Sidewalk, White

$34^.99

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Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts, Alexa, IFTTT, Home Assistant

$97^.99

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Volume Discounts:$94.99 - $97.99

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Analog Alarm Clock, Silent Non-Ticking with Night Light, Fashionable Round Metal Alarm Clock for Office, Battery Operated, Bedroom, Elderly, Adults, Children, Student Gifts

$26^.99

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Mighty Mule FM231 Wireless Driveway Alarm Electromagnetic Vehicle Detection, Indoor Receiver, 400 ft Range, Expandable, Battery Powered, Easy Installation, Driveway & Property Security System

$142^.75

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SNZB-05P Zigbee Water Leak Sensor with Detection Cable for Alarm System and Smart Home Automation, Wireless Mini Flood Detector for Kitchen Bathroom Basement 1Pack

$45^.99

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Small Clock Digital Battery Operated Alarm Clock with Auto Backlight, Indoor Temperature Humidity, 12/24H, Date, Travel Alarm Clock Desk Clock Small Clock for Shelf (Battery Included)

$31^.99

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C011 Smart WiFi Carbon Monoxide Detector, Tuya Compatible CO Alarm with Built-In 10-Year Lithium Battery, 1.5V Gas Sensor for Home, Kitchen and Smart Home Safety

$70^.25

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Zigbee Water Detector with 110 dB Siren Alarm, Wireless Water Sensor | Flood Warning Alarm for Kitchen and Bathroom Supports Home Assistant & Zigbee2mqtt

$33^.99

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Smoke Detector, 10-Year Battery Powered, with LED Status Lights, 85 dB Alarm, 5-inches

$53^.19

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