此灯用于大型燕屋或多层燕屋使燕子增加安全感,可调节光暗度,省电、耐用,容易安装。安装于燕屋暗处或上下楼梯口出。 *作为引导燕子下楼功能。 Installed in deep darkness or staircase of the swiftlet house. To gain sense of security on young birds. Leading lamp for swiftlet to go into downstairs.
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