1.From the light source, the LED ceiling lamp can be equipped with an incandescent light bulb or an energy-saving light. When the incandescent lamp is installed, it is yellow light. When installing energy-saving lamps, the type of light bulb can be white or yellow. The direction of the light source of the LED ceiling lamp can not be adjusted.
The speed of heat dissipation of the lamp beads determines the degree of light decay and the service life of the whole lamp. The long working time in high temperature will accelerate the light decay and shorten the life. The brightness of the ceiling lamp is too poor to play the role of key lighting.
Buying energy-saving lamps requires going to a guaranteed lighting market. It is necessary to choose a well-known brand, and confirm that the product packaging and signs are complete. The outer packing usually explains the service life, color development, and correct installation position of CFL. Energy lamps are divided into two types: halogen powder and tri-phosphor powder. Tri-phosphor powder is superior to halogen powder’s comprehensive performance. Some businesses treat halogen powder as a phosphor powder to sell and deceive consumers