Consists of the same size transmitting device and receiving device.the transmitting device is made by base, with a penalty (spacing adjustable), emission antenna, a support frame. The support frame is made of organic glass, diameter:12mm,each device size:300mm*100*200mm?The support frame is made of organic glass, diameter:12mm and receiving device has a base, a neon bulb, a neon bulb holder, a receiving antenna, a support frame, etc.
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