RM4 Smart Relay Lets You Trigger Extra Gear When Your Smoke Heat Or CO Alarm Goes Off 120V AC Powered Works With Compatible Detectors And Lets You Add A Strobe Siren Bell Or Door Closer For Bigger Alarm Coverage
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RM4 Smart Relay Lets You Trigger Extra Gear When Your Smoke Heat Or CO Alarm Goes Off 120V AC Powered Works With Compatible Detectors And Lets You Add A Strobe Siren Bell Or Door Closer For Bigger Alarm Coverage

RM4 Smart Relay Lets You Trigger Extra Gear When Your Smoke Heat Or CO Alarm Goes Off 120V AC Powered Works With Compatible Detectors And Lets You Add A Strobe Siren Bell Or Door Closer For Bigger Alarm Coverage

$18.04

Original: $51.54

-65%
RM4 Smart Relay Lets You Trigger Extra Gear When Your Smoke Heat Or CO Alarm Goes Off 120V AC Powered Works With Compatible Detectors And Lets You Add A Strobe Siren Bell Or Door Closer For Bigger Alarm Coverage—

$51.54

$18.04

The Story

Expand alarm coverage with the RM4 smart relay single unit
✔️ 120V AC powered; adds strobe, siren, or door closer to alarms

The RM4 Smart Relay is a practical add-on that lets BRK or First Alert detectors trigger external devices when the alarm sounds. It’s a smart way to extend alert coverage in homes and on job sites, letting you pair strobes, bells, sirens, or door closers with your existing detectors.

✅ Expand coverage with compatible BRK/First Alert detectors
✅ 120V AC powered for easy wiring and reliable operation
✅ Connects to strobe lights, sirens, bells, or door closers
✅ Simple, fast installation for quicker job-site turnarounds

💡 What is a smart relay and how can it help alarm systems?

A smart relay lets your alarm system trigger extra gear when the detector goes off, widening safety reach.

  • Expands safety by driving auxiliary devices on alarm trip
  • Works with BRK/First Alert detectors for coordinated alerts
  • Allows adding strobes, bells, or door closers for bigger coverage
  • Uses standard 120V AC power for easy installation
RM4 Smart Relay Lets You Trigger Extra Gear When Your Smoke Heat Or CO Alarm Goes Off 120V AC Powered Works With Compatible Detectors And Lets You Add A Strobe Siren Bell Or Door Closer For Bigger Alarm Coverage - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

Expand alarm coverage with the RM4 smart relay single unit
✔️ 120V AC powered; adds strobe, siren, or door closer to alarms

The RM4 Smart Relay is a practical add-on that lets BRK or First Alert detectors trigger external devices when the alarm sounds. It’s a smart way to extend alert coverage in homes and on job sites, letting you pair strobes, bells, sirens, or door closers with your existing detectors.

✅ Expand coverage with compatible BRK/First Alert detectors
✅ 120V AC powered for easy wiring and reliable operation
✅ Connects to strobe lights, sirens, bells, or door closers
✅ Simple, fast installation for quicker job-site turnarounds

💡 What is a smart relay and how can it help alarm systems?

A smart relay lets your alarm system trigger extra gear when the detector goes off, widening safety reach.

  • Expands safety by driving auxiliary devices on alarm trip
  • Works with BRK/First Alert detectors for coordinated alerts
  • Allows adding strobes, bells, or door closers for bigger coverage
  • Uses standard 120V AC power for easy installation