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forum threadJohnDubya posted Yesterday 06:34 PM
forum threadJohnDubya posted Yesterday 06:34 PM

$34.70: Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 20SA10-V

$35

$42

16% off
Amazon
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Amazon [amazon.com] has Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 20SA10-V on sale for $34.70.

This product is typically listed around $40+. This is the lowest price ever seen on Amazon.

Details:
  • Brand: Kidde
  • Style: 9th Edition
  • Power Source: Hardwired
  • Color: White
  • Product Dimensions: 1.88"D x 5"W x 5"H
  • Item Weight: 0.6 Pounds
  • Alarm: Smoke Detector
  • Operating Humidity: 10 to 95% (No Condensation)
  • Sensor Type: Photoelectric

Features:
  • DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
  • HARDWIRED and 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years and saves up to 40 Dollar over the life of the detector.
  • ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition and FCC standards.
  • VOICE ALERTS: Crystal-clear voice alerts tell you exactly why your alarm is sounding so you can react quickly.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)
Product Info
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Deal Details
Product Info
Community Notes
About the Poster
Amazon [amazon.com] has Kidde Hardwired Smoke Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 20SA10-V on sale for $34.70.

This product is typically listed around $40+. This is the lowest price ever seen on Amazon.

Details:
  • Brand: Kidde
  • Style: 9th Edition
  • Power Source: Hardwired
  • Color: White
  • Product Dimensions: 1.88"D x 5"W x 5"H
  • Item Weight: 0.6 Pounds
  • Alarm: Smoke Detector
  • Operating Humidity: 10 to 95% (No Condensation)
  • Sensor Type: Photoelectric

Features:
  • DETECTS SMOKE: Sounds a loud 85-decibel alarm when smoke is detected - 3 long beeps with red LED light flashing in time, repeating.
  • HARDWIRED and 10-YEAR BATTERY BACKUP: Operates on 120V AC wiring (installed in the ceiling). No battery changes for 10 years and saves up to 40 Dollar over the life of the detector.
  • ENHANCED SENSING TECHNOLOGY: Reduces false alarms often caused by cooking. Comprehensively tested to meet the latest UL standards, meets UL 217 9th Edition and FCC standards.
  • VOICE ALERTS: Crystal-clear voice alerts tell you exactly why your alarm is sounding so you can react quickly.
  • INTERCONNECT CAPABILITY: When one alarm sounds, they all sound, so you can get out faster. (Different models offer different interconnection options and requirements. See User Guide for more info.)

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Yesterday 07:40 PM
5,590 Posts
Joined Oct 2003
RowdyReptileYesterday 07:40 PM
5,590 Posts
Funny, I was just shopping for these today.

With this sale, this model 20SA10-V [amazon.com] is $3 cheaper than the 20SA10 [amazon.com] ($37.79) that lacks the voice option. So if you need just one or two, this is a great deal. However, if you need three or four of these, the 20SA10 drops to as low as $30.69 per unit. Since this device will last 10 years, you may very well find it worth it to spend an extra $3-$4 per device to get the voice feature.

My house has three detectors in the hallways that I'm going to replace with units that also detect Carbon Monoxide [amazon.com]. I'll then use smoke-detector only units in the bedrooms.
Last edited by RowdyReptile January 9, 2026 at 12:42 PM.
Yesterday 08:19 PM
283 Posts
Joined Nov 2018
wallykidYesterday 08:19 PM
283 Posts
Quote from RowdyReptile :
Funny, I was just shopping for these today.With this sale, this model 20SA10-V [amazon.com] is $3 cheaper than the 20SA10 [amazon.com] ($37.79) that lacks the voice option. So if you need just one or two, this is a great deal. However, if you need three or four of these, the 20SA10 drops to as low as $30.69 per unit. Since this device will last 10 years, you may very well find it worth it to spend an extra $3-$4 per device to get the voice feature.My house has three detectors in the hallways that I'm going to replace with units that also detect Carbon Monoxide [amazon.com]. I'll then use smoke-detector only units in the bedrooms.
Doesnt the room needs carbon monoxide too?

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