Abstract: The present invention is related to a device attachable to a pill container to alert a person when a pill or a medication has to be taken, the device comprising a case having a top case (1), a bottom case (2) suitable to engage with the pill container (3), said case comprising a clock and timer electronic circuit (4) to provide current time in hours and minutes and to provide an alarm signal, power source means (5), alarm means responsive to said alarm signal, sensing means (7) for detecting an access to the pill container (3), memory means (8) to store alarm time and to record access to the pill container, a LCD unit (10) to display current time, alarm time and information relating to the compliance of pills, a LCD lens (11), selector means (12) comprising means (13) to set the time clock, means (14) to set the alarm, means (15) to adjust clock time or adjust clock alarm time.