Combination Photoelectric Smoke Detector/Carbon Monoxide Detector for Home, Battery Operated Travel Portable Fire CO Alarm with Sound Warning and Digital Display

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: