Timeout notification; if the timeout is not handled; the prompt will be repeated; reduce omissions and mistakes ^^ Call record query; the hospital paging system has the call record query function; you can search the last 32 call records ^^ Emergency alert system has 3 types of power supply; DC power supply, C-type power supply and battery power supply; the power supply can be selected according to the need ^^ Delete call records; after patient press the alert button; the nurse can delete the designated call records and all cal records according to choice ^^ 5 adjustable volumes; caregiver call button for nurses station has 5 levels of volumeinclude mutefor adjustment plus 10 languages voice alert; select a peaceful melodic tones chime alert sound of your choice