Combination Smoke & Carbon Monoxide Alarm, Battery Operated

Model: HZ840

  • Combination Smoke & Carbon Monoxide Alarm, Battery Operated NTL Industrial

Colour, sizing or style depicted in some photos may not be exactly as described.
Please check your product description carefully before placing your order.

$163.00 / Each

0 In Stock

Manufacturer's Warranty

  • 10-Year Limited Warranty (battery included)

Power Source

Battery Operated

Smoke Sensor

Photoelectric

CO Sensor

Electrochemical

Audio Alarm

85dB at 3m (10ft)

Temperature Range

4.4˚C (40˚F) to 37.8˚C (100˚F)

Humidity Range

10 to 95% relative humidity (RH), non-condensing

Country Of Origin

China

  • Double the Detection – Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device
  • Worry-Free 10-Year Battery – No battery changes for 10 years.† Avoids inconvenient battery replacements over the life of the device
  • Voice Alerts – Crystal-clear voice alerts in English and French tell you exactly why your alarm is sounding so you can react quickly
  • Self-testing Alarms – For added assurance, internal components ensure alarm is always operating as expected
  • Simple Installation – Easy install with included twist-and-click mounting bracket
  • End-of-life Notifications – No low battery chirps! This alarm beeps to remind you it’s time to replace it 10 years after it is powered