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Tips: While the actual temperature， -20 to 110 degrees， but the LCD is ideal working condition: -5 degrees to 45 degrees， try not to put minus 10 degrees， resulting in more than liquid limit ~ ~ LCD screen LCD panel is easy to burst broken.

There is a more critical issue， customers often reflect sucker items easy to swap， instability， to solve this problem is very simple， the sucker into a temperature suitable for warm water and then remove fixed directly on OK.