BRK / First Alert SM500V Battery-Powered Smoke Alarm with Wireless Interconnect — Specifications

Specification sheet for the First Alert / BRK Model SM500V — a battery-powered smoke alarm with wireless interconnect, voice warning with location, and replaceable AA batteries. CAT. 1046774.

Key Features

• Early Warning Wireless Interconnect — When one alarm sounds, all compatible* alarms sound without rewiring the structure.
• Voice Warning with Location — Announces the danger and its location (e.g. "Warning, Evacuate, Smoke in Basement").
• Replaceable AA Batteries Included — Powered by 2 replaceable AA batteries.
• Test/Silence Button — One-touch, easy-access button to temporarily silence or test the alarm.
• Photoelectric smoke sensing chamber, fully screened to resist entry of small insects.
• Operates on a two-way mesh network that sends, receives, and re-sends alarm signals for a more reliable network.
• Lower, varying horn frequency, easier for elderly users with age-related hearing loss to hear.
• Visual LED power-on indicator confirms the unit is receiving power or is in alarm.
• Two silence features: Low Battery Silence (silence low-battery chirp for up to 8 hours) and Alarm Silence (temporarily silence nuisance alarms).
• Two locking features: tamper-resistant locking pins that lock the battery drawer and/or the alarm to its mounting bracket.

Technical Specifications

• Alarm Dimensions: 5.02" Dia. x 2.11" H
• Weight: 0.51 lb
• Battery: 3V (2 AA)
• Temperature Range: 40°F (4.4°C) to 100°F (37.8°C)
• Humidity Range: 10% to 95% relative humidity (RH)
• Audio Alarm: 85dB at 10 feet
• Test/Silence: Electronically simulates a smoke condition, causing the unit to alarm. Press and hold the Test/Silence button.
• Alarm Reset: Automatic when smoke clears
• Smoke Sensor: Photoelectric
• Listing: Certified to UL217

Indicator Lights & Sounds

Architectural and Engineering Specs Summary

The smoke alarm shall be a BRK Model SM500V providing, at minimum: a photoelectric smoke sensing chamber; wireless interconnect; voice warning of detected danger plus one of several pre-programmed locations; two-way mesh network communication; lower/varying horn frequency for easier hearing by the elderly; a fully screened sensing chamber; power from 2 replaceable AA batteries with a solid-state horn rated at 85dB at 10 ft, capable of self-restoring; a visual LED power-on indicator; low-battery and alarm silence features; tamper-resistant locking pins; operation between 40°F (4°C) and 100°F (38°C) and 10–95% relative humidity; mounting hardware listed for wall or ceiling mounting; and compliance with UL217, CSFM, NFPA 72, NFPA 101, and ICC.

Installation

Installation of this smoke alarm must conform to NFPA 72. Always check your local building codes. Follow all placement instructions in the user's manual under "Recommended Locations for Smoke Alarms" and "Locations to Avoid for Smoke Alarms."

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