Looking at electrical appliances, it means that all fluorescent light sources must have a ballast to light up. Ballasts can bring instantaneous starting voltage and task...
Prevent the intrusion of objects larger than 50mm. Prevent the human body from accidentally touching the internal parts of the lamp. Prevent the intrusion of objects...
The whole light effect refers to the total luminous flux output of the whole lamp divided by the input power of the whole lamp. The unit is lumens/watt (lm/W). It reflects the...
It is crucial to look at the signs of LED ceiling lights. It also depends on the factory name and product specifications. At present, more and more black factories sell...
