Product Review

This combination smoke/CO alarm features an 85dB horn and voice that announces "Fire", "Carbon Monoxide", and "Low Battery" warnings when detected. Meets NFPA 72 standards Smoke and Carbon Monoxide Alarm, Detection Method Ionization, Electrochemical, Up to 24 Units Interconnection Capability, Audible Alert 85dB @ 10 ft., Horn, Visual Alert Red LED, Diameter 5-3/4 In., Height 1-3/4 In., Digital Readout Yes, Battery Backup Yes, Features Voice Warning, Peak Level Memory, Reset Button, Hush Button Yes, Locking Pin Yes, Operating Temp. 40 Degrees to 100 Degrees F, Includes Mounting Anchors and Screws

Features:

* Battery low voltage tips

* Automatic reset

* Infrared photoelectric smoke sensor&electrochemical carbon monoxide sensor

* Sound and light alarm / LED indication alarm

* SMT industry, strong stability

* Dust, pest control, anti-white light interference design

* MCU automatic processing technology to improve product stability

Technical Parameters

Working power: 3V battery (Three AA 1.5V) （ package not include）

Quiescent current: <8uA

Alarm current: <35mA

Sensitivity: 2.06% / ft ± 1.3

Alarm indication: red LED flashes

Alarm sound pressure: ≥ 85dB / 3m Department

Operating temperature: -10 ℃ ~ +50 ℃

Relative humidity: ≤ 95% RH

Dimensions: Ф105 * 38mm

Executive Standard: GB4715-2005; En14604

Coverage Area: When the space height is 6m-12m, the protective area of ​​one detector is 80m2 for the general protection site and 60m2 for the space height of 6m or less. Specific parameters should be automatic fire alarm system design specifications GB50116-98 shall prevail.