1.cast the
aluminium alloy outer cover , gushes out and moulds on the
surface.
2.casting shaping, the structure is compact, the appearance is
beautiful .
3.steel tube or the cable can connected up.
4.after damaging, switch over and reach next automatically in one
bulb.
5.adopt and optimize control circuit most,advanced reliable
electric apparatus
integrate yuan one. open and close automatically according to the
envi-
ronmental luminance, it is at the night that dependability is
strong open
automatically when being late and foggy, close automatically in the
daytime .
6、according with gb3836-2000, iec60079 standard
requires.