* End-of-Life signal
* Continuous self-testing, trouble shooting prompt
* Battery leakage-proof unit
* Instant display of CO concentration
* Alarm memory function
* When you are out and come back, JB-C686L can
remind you of once CO leakage and display the
maximum concentration ever alarmed if there was
CO leakage. It’s helpful for you to check reason
of CO leakage in time and avert an accident of CO poisoning
The latest electrochemical cell technology ensures
complete accuracy and reliability giving a 5 year
guaranteed life under normal operating conditions.
It is officially approved to the stringent performance
requirements of EN50291:2001 - the European
Standard for domestic Carbon Monoxide alarms.