Long-life lithium battery sealed, service life of at least 10 years Wireless connection by installing the Ei200MRF wireless module (sold separately) LCD display with danger and behaviour display Electrochemical sensor calibrated in genuine carbon monoxide LED signals in the event of an alarm, fault, battery charge Test button checks detector function Mute function manual alarm suppression Memory stores elevated carbon monoxide levels AudioLINK function reading of detector data with smartphone Certified quality certified according to EN 50291:2010, EN 50270:1999 and EN 60335-1:1994 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2021-05-22 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2021-11-05 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2021-12-13 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2025-01-25 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2025-12-28 https://elecena.pl/product/18544783/ei208idw-3xd-carbon-monoxide-detector-10-year-battery 2026-09-14