1.What’s efficacy about the light ?
The light output of a light source divided by the total electrical power input to that source, expressed in lumens per watt(lm/w).
2.How long is the delivery time ?
Samples within 3 working days, bulk order is within 15-20 working days. If you are very
urgent, we will try our best to help you.
3.What’s your main product line is made ?
We mainly produce LED indoor lights (LED Panel light, led Tri-proof light, LED Batten light, LED tube,LED Ceiling light, LED Down light, LED Round Panel Light, LED 2D ceiling Light,LED Wall Pack )