... . When in the sun can also see LED display.Display:(Four colors:Blue,White,Green,Red)Note:Please inform us which ... lobby, but also widely used in sports, workshop, public places, large shopping malls, supermarkets, public transportation, warehouse, classroom, bus station, ... Retail Packaging 1 x Red/Blue/White/Green New LED Alarm Clock 1 x Charger 1 x User Manua Digital blue LED snooze wall desk alarm ...