USI Smoke Sensing Battery-Operated Smoke and Fire Alarms. Model MDS300 or MDS300L from $15.99–$22.99.

USI Smoke and Fire Alarms

Up to 47% Off
Discount 47%
$29.99
no longer available

Product Details


USI Battery-Operated Smoke and Fire Alarms

  • Model: MDS300 or MDS300L
  • Universal Smoke Sensing Technology for faster detection
  • Quickly responds to slow-smoldering and fast-flaming fires
  • Provides nuisance alarm protection
  • Battery-operated alarm provides continued protection in the event of a power outage
  • Self-diagnostics check to ensure proper operation
  • Sensitivity adjustment for changes in temperature or humidity
  • Provides 10 years of continuous protection and sounds when it is time to replace alarm
  • Quick activation pull-tab and front-loading battery drawer
  • Replace the battery without removing the alarm from bracket
  • Condition: new

MDS300
  • Powered by a 9-volt alkaline battery (included)
  • Dimensions: 2”x7”x10.38”
MDS300L
  • Powered by a 9-volt lithium battery (included)
  • Dimensions: 10” (W) x 7” (L) x 2” (H)

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USI Smoke Sensing Battery-Operated Smoke and Fire Alarms. Model MDS300 or MDS300L from $15.99–$22.99.

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