Features: * Ceiling or wall mounting * Easy to install with mounting hardware included * 9VDC battery * Suitable for any room * Flash alarm indicator (red) * Test button for easy recommended monthly testing * Low battery signal * Safety clip feature, not allow mounting of smoke alarm without battery installed * Photoelectric chamber for early detection from all directions * High sensitivity carbon monoxide sensor * Loud 85dB alarm signal

Specification: * Power Source : 9VDC battery * Operating Current : 10 uA (normal) and 20-50 mA (alarm working) * Sensitivity to smoke : In comply with UL217 & BS5446: Part 1 2000 * Sensitivity to carbon monoxide: * Response time:2MIN * Alarming level:150ppm CO * Operating Temperature : 40oF - 100oF (4. 4C - 37.8C) * Ambient Humidity : 10% - 90%. * Horn Level : 85 Decibels at 10 feet. * Battery life : 1 year min. * Size: 110mmX25mm