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Anonymous users2024-01-24Confused. It is customary to call the lamp an energy-saving lamp, and the lamp bead is an LED energy-saving lamp. The lamp generally has a ballast, while the LED lamp is powered by a rectifier stabilized voltage source or a constant current source, but both use 220V power supply.
As far as its individual lamp beads are concerned, they are nominal volt DC power supply.
One by one, either downlights or spotlights. Downlights are astigmatism, and spotlights are spotlights (generally used for displays, or partially prominent scenes).
If you want to use a single switch to control the lights and exhaust fans separately, what if you want to use them at the same time? >>>More
Generally, energy-saving lamps are used, and LED lamps are slightly more expensive. Durable.
The computer is about 300W, which is counted as 10 hours a day; Energy-saving lamps are about 20W, which is counted as 5 hours a day; The kettle is about 1000W, which is counted as 1 hour per day, and the toilet incandescent light is about 40W, which is counted as 1 hour per day. >>>More
Around 20-30 bucks and it's easy to install.