USI Smoke & Fire Smart Alarm, Sealed Battery

USI Smoke & Fire Smart Alarm, Sealed Battery

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USI Electric's 2-in-1 Smoke & Fire Smart Alarm features a 10 year sealed battery to help keep your home safe from smoke and fire hazards. Shop HomElectrical to find more smoke and fire alarms options from USI!
  • Tamper proof design prevents battery removal with higher level of security.
  • Tamper resistance prevents the deactivated alarm from reinstallation.
  • Photoelectric and ionization technology.
  • No battery to replace for the life of the alarm.
  • Eliminates low battery chirps.
  • Eliminates nuisance alarms using Smart Alarm Technology.
  • Ideal for new or replacement installation in any room.
  • Quick activation pull tab.
  • 10 year product end-of-service life warning indicates when to replace the alarm.
  • Once alarm reaches 10 year product end of service life - deactivation key to switch alarm off and make batteries safe for disposal.
  • Suitable for use in houses, apartments, dormitory and manufactured housing.
  • Install an alarm inside every bedroom, outside every sleeping area, and on every level of dwelling for maximum protection.
  • Listed to UL Standard UL 217.
  • California State Fire Marshal approved.
  • Eco-friendly - reduces environmental waste and eliminates disposal of up to twenty 9V batteries.
  • Permanent Power Alarm features Duracell Duralock alkaline batteries.
  • 10 year limited warranty on battery and alarm.
  • Dimensions: 10.75-in (L) x 7-in (W) x 2.13-in (H).
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Product Specifications

Part NumberMDSK300S
Inner Package1
Warranty10 Yr
Weight0.49 lb

Manufacturer Description

10 Year Tamper Proof Sealed Battery Permanent Power Smoke & Fire Smart Alarm

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