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

Spotlights, 7 cm can do, and if you feel dazzling, you can use acrylic diffuser plate to do astigmatism, you can also adjust the angle

Q:How much LED 150W downlight spiral energy-saving lamp replacement

As far as I know, high power fluorescent lamp and compact fluorescent lamps use is unsafe, even no relevant national standard, if you use it, the auspicious light test report please check the product certification and CCC what, if there is a problem with the best replacement as soon as possible.

Q:7 square feet of aisle to install 3 LED downlight, how much w led downlight

The three three watt brightness is enough, and the five watt is a bit wasted

Q:LED lamp power off why would light up

LED lamp power off, will light up, this situation is normal in the 220 electric power supply situation, reason is caused by the distributed capacitance charge discharge line.Because the switch and the lamp is connected with 220V/50Hz AC power supply is normal, directly added to both ends of the lamp, the lamp work light; when closed, switch capacitor and lamp itself and the line is connected to the alternating current of 220V/50Hz, because the distributed capacitance of the charge and discharge can form weak current, the lamp will light.Solution: in the lamp circuit board input end in parallel with a pressure resistance of at least 400V of non-polar capacitor, capacity 0.05 micro method above (if the switch connection is longer, can be appropriately increased).

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

It can be installed LED fluorescent lamp and LED lamp. The lamp power within 12-20w, ensure the light illumination to 150-250LUX office. The brightness of the corridor can be slightly darker, with 3-4 inch LED lamp, lamp power at 6-12W, the light illumination to 70-120LUX, with the Q I can. Answer for you, so doubt

Q:How to choose the right LED downlight

Look at the radiator lamps: cooling speed determines the degree of attenuation of the whole lamp and the service life of the radiator is too small will accumulate in the light of internal temperature. Light long time working under the condition of high temperature, light decay very fast, life is short. Our shell and radiator are all thick materials to ensure heat dissipation.

Q:What is the role of LED downlight

LED downlight effect:1, it can be embedded in the ceiling, will not affect the overall beauty, more concentrated than in the past ordinary lamps.2, in fact, choose a good day Lantern is a LED lamp energy saving function, long service life, good LED will not produce ultraviolet light.Is a lamp embedded into the lighting ceiling light shooting style. Is a directional lighting lamp, only its opposite to the light beam angle, belonging to the light, light is concentrated, contrasting. More prominent objects, higher lumen, more quiet.

Q:How many good color family LED downlight

The living room should be according to the style of the decoration. The Yellow warm colors with brilliant style, bright and clean with white, as long as the color temperature is more blue, like moonlight, lower yellow, like the sun sooner or later (incandescent light) color, like the 4500-5000k noon sun

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:Led downlight and LED flat lamp that is durable

The same, but the shape is different, LED light plate and power module is the same