Solar Dual Power Calculator, Brand Name : Timesun

We offer solar dual power calculator.1.lcd display 2.display: year, month, day, hour, minute and second 3.countdown timer, maximum time of 999 days 23 hours 59 minutes and 59 seconds 4.alarm function,clear and loud 5.calendar: 1999 to 2050 6.credit card size and super-thin 7.used both in the outdoor and indoor:school, laboratory, parking, nap alarm, kitchen cooking time control.