*  Detect both smoke and carbon monoxide,double protection

*  10 years sensor and battery life

*  Fashion ultra-thin design,  size: Ø120*28mm

*  Integral big button design

*  Battery low voltage alarm, mute function, product life expiration prompt

*  Standalone, WIFI, RF wireless function is optional

*  EN14604：2005 /EN50291-1:2018 certified product standards