How to identify LED street lamps do well or not?
Overall, 1 lumens per watt lamp (what is the value of the lamp lumens not) are now generally more than 85LM.2, the light distribution curve of the lamp is how, now popular is bat wing light effect.
The voltage range of the power supply is generally wide, and the voltage is relatively stable (between 90V-260V).
What is the light source efficiency of the luminaire, that is, the power factor, which is generally above 95%.
