LED bulb w can replace 40w incandescent lamp
Mainly depends on the quality of led lamp beads as well as the light transmission and so on factors
Almost 3w-5w is completely replace 40w incandescent lamp
Hailan general light efficiency of more than 100 is generally can be done
The current led lamp light effect of a little better can reach more than 150lm
The alternative standard is based on the luminous flux emitted by the lamp
