- Early warning of carbon monoxide (CO) poisoning danger
 - Visual and Audible alarm indications upon CO detection
 - Built-in 95db Alarm Buzzer and large flashing LED alarm
 - Visible and transmitted low battery indication
 - Fully certified by the most strict and demanding international standards for safety products in Europe (LPCB UK, EN 50291) and USA (UL 2075)
 - Auto-test and manual test buttons included
 - Long battery life (4 years with typical use)