... led alarm clock on nowadays, it is suitable for the living room, study room , office and ... is very visible when you use for family, and meanwhile is convenient for old man to read large fonts.( ... 220V Voltage, AC power 5. Alarm functionVery good choice for using in the office, living room, study, etc. ... "AL.ON" location to regular alarm, ring tones for "Didi Didi", the sound grows from slow to fast ...