内置照明器能帮助用户即使在完全黑暗里也能看得更加清晰，查看器串联了一个AA电池能持续供电60个小时，并且防水防雾。
A built-in illuminator allows us-ers to see clearly, even in total darkness. The viewer runs on a single AA battery for up to 60 hours and is water and fog resistant.
内置照明器能帮助用户即使在完全黑暗里也能看得更加清晰，查看器串联了一个AA电池能持续供电60个小时，并且防水防雾。
A built-in illuminator allows us-ers to see clearly, even in total darkness. The viewer runs on a single AA battery for up to 60 hours and is water and fog resistant.
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