The kit also includes a wireless pinhole camera that operates inside a dropped ceiling, a relay that extends the range of a wireless camera, and a long-range infrared camera.
套件箱包含一个无线针孔摄像机放在吊顶里面，还有一个扩展无线摄像机的摄像范围的继电器，也有一个远程红外摄像机。
The kit also includes a wireless pinhole camera that operates inside a dropped ceiling, a relay that extends the range of a wireless camera, and a long-range infrared camera.
套件箱包含一个无线针孔摄像机放在吊顶里面，还有一个扩展无线摄像机的摄像范围的继电器，也有一个远程红外摄像机。
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