... desktop clock, can also be used as a wall clock. It covers almost a traditional clock functions ... , even in daylight, you can see the LED displayDisplay:(Four colors:Green,Red,White,Blue)Note: ... used in sports, workshops, public places, supermarket hall, large shopping malls, bus, warehouse, classroom, bus stations, ... 6*3.5*2.2inch Digital Large Big Jumbo LED wall desk alarm with world time travel clock ...