If a neontube is connected with the utility model in series, the on-off state can be conveniently judged at night, and simultaneously, the existence of an electricity can be judged in the circuit.
如果再串联一个氖管则在夜间亦能方便地判断开关的通断状态，同时还可判明电路中是否有电。
2
All-color LED digital tube and all-color outdoor display screen are now used in the motion advertisement, gradually taking the place of neon light.
全彩led数码管，全彩户外显示屏，正在逐步替代霓虹灯，运用于动态广告牌上。
3
The utility model discloses a neon motorcycle bumper which adopts transparent plastic tube material as outer part with advantages of buffering and anti-hitting.