Shenzhen Toppo lighting company have won a favorable reputation among the worldwide customers with the persistence for the principle of Toppo is "Morality, Quality,Grade,Brand" and the daily quality controlling with automated production and quality testing.Send InquiryChat Now
1.LEDs are more expensive than other lighting options.why ?
LEDs can operate as standalone devices,but when grouped or clustered they require additional steps to operate properly. LEDs need proper components such as a circuits can be designed rapidly, but to ensure that they operate correctly and for long periods of time they require testing.
2.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).
3.How do we explain “CRI” ?
A measure of the degree of colour shift objects undergo when illuminated by the light source as compared with those same objects when illuminated by a reference source of comparable colour temperature. The reference source has a CRI of 100.