The helmet is provided with a lighting device and a battery.

在头盔上还安有照明器具和电池.

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Unique see - through - window & lighting device for easy monitoring.

独到的视明窗 及 照明设备,检视功能,事半功倍.

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To really make an impression in the lighting device must be able to produce room light.

目前的技术可以很有效的制造出红光、绿光及蓝光的二极体.

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