Q:How are LED lamp quality is good or bad?

1, in the purchase of LED lamp, can take a look at the lamp appearance, the lamp body is smooth, there is no scratches, the overall feeling is good, good LED downlight will feel heavy, because the use of the material and the radiator will be better.2, LED will take in the hand shaking force lamp, listen to whether there is noise, such as abnormal sound that no internal fixation downlight, there are security risks, for the unqualified products.3, light LED downlight, using a mobile phone camera function close to the light emitting surface to see whether there are such as flicker, flicker, the LED lamp is equipped with a power supply for the low-end products of inferior quality, affect the overall quality of LED downlight.4, the same LED lights lit up at the same time several manufacturers of the same type lamp, observe its luminous color and brightness is consistent, if not consistent is obvious, as inferior, because the same LED lamp manufacturers with the same type of products can not be light color and brightness inconsistency

Q:Steam more business bathroom bath with what LED lamp?

Select a special waterproof steam lamp can, general ceiling lamp with more. I hope my answer can help you, I hope to adopt!

Q:There are no holes 7 cm, 9W led downlight

9W downlight generally open hole is 11 cm...Go and look for it on Taobao

Q:Why use LED lamp light source patch

In a large number of automated production, the packaging cost of the patch LED itself and the cost of soldering to the circuit board are lower than those of the small power LED.

Q:The office, sample room, corridor, the most commonly used several LED downlight which is several dimensions, what is power?

Big ones. 6 inches. Our company is using this big one.

Q:What is the role of LED downlight

In fact, choose a good day Lantern is a LED lamp energy saving function, ordinary energy-saving lamps should be minimum 5W is generally 11W, a LED lamp bead is 1W, long service life, ordinary energy-saving lamps have radiation, light at 400 nm will produce ultraviolet light is harmful to people, UV will attract insects so the general energy-saving lamp has bugs in the circles above, the LED will not produce ultraviolet

Q:Excuse me, how to install the LED lamp?

Lamps shall not be covered by any flammable substanceThe wiring of the lamp should not be close to the radiator, and should be avoided as far as possible

Q:Turn off the lights after the bright LED lamp

Of course are,,In addition, a lamp, and if it is warm white downlight, 7W interval of 1.8 to 2 meters with a 9 watt meter interval, 2 to 2.5 meters in 1, because of the warm white Led light dark light.. If the daylight color (white) led lamp, high point to spacing of 7W or 9W, every 2 meters to 3 meters with a, above two, today I am in the company installed, the effect is very good, very bright, with a larger spacing proposal, after all Led lamp is more expensive, to avoid wasting the resources that can help you save a lot of money, today I am in the company installed 12.8 meters long * 7.45 meters wide, more than 90 square, 1.8 meters vertical spacing and horizontal spacing of 2 meters with a 9 watt Led lamp with fifteen Led lamp, brightness is bright, do not feel the need so, if you are one hundred square pavement, a lamp should be 20I hope I can help you.

Q:What brand of downlight is good? Please explain the reason, thank you!

Quality. After deciding to buy LED lights, you'll have to see what quality LED lights you need. At present, the country has not yet introduced LED lighting quality standards, so the market LED product quality is uneven, some very cheap brand-name goods using the chip quality is very poor, that is 1W, only 0.5W-0.7W, and manufacturers in order to do high brightness, it will increase the output current of power supply, it will cause serious decay. Should choose some brands of their own products, such as "one enterprise", "Hangzhou ray", "silver rain" and other brands.

Q:The opening 7, 5 cm height of the LED lamp, home decoration into the floor with fear of hydrochlorothiazide

The average height is around 45mm-60mm. If your space height is greater than 60mm, you don't have to worry.