... lights up, one led on each dot, the light is very soft, and the brightness can be dimmable ... can NOT be seen clear when the light too shine or the light too dark.. 7, long-distance readable ... Then this clock can work as little night light and it can be read in a long ... for bedroom, sports meeting, canteen, warehouse, workroom, hotel, table, office, hospital, supermarket, bus, coffee room, bar anywhere ...