Combination Carbon Monoxide Detector and Smoke Detector, Battery Operated Travel Portable CO Alarm with LCD Digital Display;

This combination smoke/CO carbon 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, Standards UL, Includes Mounting Anchors and Screws

Features:
* Battery low voltage tips
*Automatic reset
* Infrared photoelectric 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 (3 AA 1.5V) （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; UL217
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.