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1140C: with a USB cable? behind four USB ports? (USB cable can be connected to the power supply connector need to purchase a) (figure below describes the B section)?

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1140A: (only install battery) (can be?connected to the supply? the need to buy their own power supply) (The following diagram describes the A section)

Alarm Dimensions: Length 10.6 * 5 * 6 cm thick?

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Message board Size: 14 * 9.8 cm wide?

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Screen size: 7.5 cm long? 2.1 cm wide?

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Color: The color of the backlight? blue? green? optional?

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Watches complexion: White?

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Tip: When using an external power supply? clock and message board is a long bright background light; If the battery when the product will have a backlight operation? if there is no operation for 10 seconds? then automatically turn off.

Main features: date? time? temperature display can be switched or slideshow? 12 hours or 24 hours format selection? Celsius or Fahrenheit selectable? 3 groups of timing alarm clock and snooze function? birthday celebration? is timing and countdown? 16 world music appreciation? 2000-2099 calendar queries.