... day PFT-52 4group alarm timer digital electronic timer 4group alarm timer Digital pill box timer Feature Four standard space store ... free to select 12 or 24 Hour Model dispalythe LCD screen is big & clear " Di Di " ... “SET” the key 3 seconds, “12HR” flash on the LCD, if needs “24HR” Model, press “ADJ” key, ... needs to adjust, presses “ADJ” key, the LCD display “--: --”,it is indicated that the alarm is ...