产品类别

2.       Timing automatically commences upon power-on.

3.       The counter operates on a calculation basis of 365 days per year.

4.       Upon completion of each full year of operation, the corresponding indicator light will illuminate in sequence.

5.       The product provides a guaranteed service life of four years.

6.       Color-coded indicator lights display the elapsed years of use, enabling maintenance personnel and management departments to quickly assess product status.

7.       During fire system testing, when power is switched off and subsequently restored, the cumulative operating time counter will remain continuous and will not be reset.

8.       In the event of battery failure, replacement is required (regardless of whether an original or alternative battery is used). Upon system restart, the cumulative operating time counter will remain continuous and will not be reset.