best smart home smoke detector

Rating details & item highlights

• quality
  4.1 out of 5
• value
  4.1 out of 5

• Keep your family safe with this easy-to-use plug-in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
• Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
• Simple to use, with a single test/silence button; a loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
• All First Alert CO alarms are rigorously tested to meet UL standards
• Dimensions (Overall): 3.38 Inches (H) x 4.87 Inches (W) x 2.23 Inches (D)
• Weight: .51 Pounds
• Package Quantity: 1
• Requires Hardwired Installation: No
• Battery: 1 9-Volt Alkaline
• Warranty: 7 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869

Rating details & item highlights

• value
  3.7 out of 5
• quality
  3.4 out of 5

• Keep your family safe with this easy to use, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
• Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
• A loud 85-decibel alarm sounds when CO levels reach dangerous levels
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• 5-7 year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
• All First Alert CO alarms are rigorously tested to meet UL standards
• Dimensions (Overall): 3.38 Inches (H) x 4.87 Inches (W) x 1.56 Inches (D)
• Weight: .45 Pounds
• Features: Silences Unwanted Alarms
• Package Quantity: 1
• Requires Hardwired Installation: No
• Battery: 1 9-Volt Alkaline

Rating details & item highlights

• value
  4.5 out of 5
• quality
  4.5 out of 5

• Keep your family safe with this 2-Pack of easy to use, battery operated carbon monoxide alarms; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
• Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
• A loud 85-decibel alarm sounds when CO levels reach dangerous levels
• To ensure complete protection make sure to place one on each level of your home and in each bedroom
• 5-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
• All First Alert CO alarms are rigorously tested to meet UL standards
• Dimensions (Overall): 3.38 Inches (H) x 4.87 Inches (W) x 1.56 Inches (D)
• Weight: .87 Pounds
• Package Quantity: 2
• Requires Hardwired Installation: No
• Battery: 1 9-Volt Alkaline
• Warranty: 5 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869

Rating details & item highlights

• See more of who stops by and check on package deliveries with Head-to-Toe Video.
• Built-in battery charges with a convenient USB-C charging port. To recharge, simply detach your doorbell from the wall and connect to the included charging cable.
• View and respond to activity in HD Video with Live View.
• Get real-time audio with Two-Way Talk from anywhere.
• Receive real-time notifications on your phone when motion is detected.
• Battery Doorbell gets even smarter to alert you when it spots a person, package, or vehicle. Ring Protect subscription required, sold separately.
• Dimensions (Overall): 5 Inches (H) x 2.4 Inches (W) x 1.1 Inches (D)
• Weight: .45 Pounds
• Features: Motion Activated, Cloud Storage, Cell Phone Alert, 2-Way Talk, Night Vision
• Indoor/Outdoor: Outdoor
• Assembly Details: Adult Assembly Required, Some Tools Provided
• Connection Type: No Wired Connection Ports

Rating details & item highlights

• quality
  4.7 out of 5
• value
  4.6 out of 5

• Watch over your home day or night in 1080p HD video with Color Night Vision.
• See, hear, and speak in real time with Two-Way Talk and Live View.
• Get real-time alerts when the camera detects movement—and choose exactly what your camera covers so you only get notified above movement that matters.
• Sound off your powerful siren from the Ring App—whether you’re scaring off intruders or breaking up a cat fight.
• Find the perfect angle on a table—or mount up high with the flexible swivel mount. Indoor Cam is plug-in, making it easy to move where you need it.
• Turn off your camera and mic with the manual Privacy Cover, then reactivate with a simple swivel.
• Dimensions (Overall): 4.06 Inches (H) x 4.38 Inches (W) x 4.38 Inches (D)
• Weight: 2.55 Pounds
• Features: Night Vision, Controlled by Smartphone App, Motion Activated, Cell Phone Alert, 2-Way Talk
• Indoor/Outdoor: Indoor
• Assembly Details: Adult Assembly Required, Some Tools Provided
• Connection Type: No Wired Connection Ports