1) Composed of super high brightness LED lamps
2) Low consumption and long lifetime
3) Control the brightness automatically, visual viewing distance: >500m
4) Handiness box frame, install and connect simply and expediently
5) Electrical pressure: AC 220V??5v, 50Hz??Hz
6) Electric consumption:
a) Green arrow: 15W
b) Red fork: 30W
7) Work temperature: -20 ~ +74?
8) Work humidity: