Motion Sensors & Home Alarms

Customer Pick 
  • First Alert 2-pack 10-Year Atom Micro Smoke Alarms

$59.95 or 3 payments of $19.98
Free Shipping
  • The Door  and Window Security Bar

$19.95 or 2 payments of $9.98
Customer Pick 
  • Mr. Beams Wireless LED Netbright Security Light

$69.95 or 2 payments of $34.98
Customer Pick 
  • First Alert 2-pack Smoke and Carbon Monoxide Alarms

$99.95 or 4 payments of $24.99
Free Shipping
  • First Alert Carbon Monoxide Plug-In Alarm
Customer Pick 
  • Nest Protect Battery-Powered Smart Smoke/CO2 Detector

$119.95 or FlexPay available
  • Simple Home Wi-Fi Motion Sensor with Message Alerts
  • Simple Home Wi-Fi Window/Door Sensor w/Message Alerts
  • Home Security Wireless Magnetic Alarm 8-piece Kit

$24.95 $29.95 or 2 payments of $12.48
  • Airthings Battery-Powered Smart Radon Detector

$179.95 $199.95 or 4 payments of $44.99
Free Shipping
  • Ring Indoor Plug-and-Play Chime

  • Ring Indoor Wi-Fi Extender Chime Pro
Customer Pick 
  • Mr. Beams Motion-Sensor LED Ceiling Light

$29.95 or 2 payments of $14.98
Sold Out 
  • Mr. Beams 2-pack Wireless LED Networked Security Lights

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Stay Protected With Alarms and Sensors

When you want to keep your home safe, check out the variety of home alarms and sensors available at HSN. Here you’ll find full home alarms, motion sensors, and more. Whatever makes you feel the most comfortable is easy to find. Keep your family safer than ever before with sensors including fire detectors and carbon monoxide alarms. These sensors help alert you if there is a problem in your home, long before you could know without one. You can go as high- or low-tech as you want with sensors and alarms from HSN. Some security sensors work through motion detection and give you alerts through wireless internet connections or Bluetooth. Others simply record to a disk drive, allowing you to review the footage when it’s most convenient for you. When you’re setting up a home security system, make sure to get all the sensors and alarms you need. Because there are a variety of styles and options to choose from, this can be confusing at first. Make sure to consider motion detection sensors near the entry points of your home, such as doors and windows. Security lights outside are also helpful for your home alarm system. Make sure to check if the sensors you choose are indoor, outdoor, or both before setting them up.