You need a flash unit with a tilt head or the ability to mount the flash off-camera on a flash bracket.

你需要有一个能调节闪光角度的闪光灯，或一个离开相机的闪光灯架。

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Mount junction box and laying cable (20 core cable, 1 piece) from junction box to main control unit.

安装壁挂式接线箱，敷设20芯电缆并接线由接线箱至主控单元一条。

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Mount main control unit and laying cable (2 core cable, two PCS) for unit AC and DC power supply.

安装壁挂式主控单元控制箱，并敷设交直流电源电缆二条。

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Weighing only 141 pounds and less than 5 inches deep, the unit is easy to mount on a wall.

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Users can simply mount the entire flashlight and charger as a unit by doorways and entryways to hazardous locations, thus providing a highly convenient and fully charged portable light source whenever it is needed.

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