Superior Quality Led Par 38 Warm White Led Par Light,4.8W

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China National Building Material Group Corporation. CNBM Group ranks 267^th of the Globe Fortune top 500 enterprises. Stainless Steel is one of the main products of CNBM. We are specialized in all kinds of led products, such as Flexible LED Strip, Rigid LED Bar, LED Tube, LED Bulb, LED Panel, Spot lights, Ceiling Light, Downright, Flood Light, Wall Washer, LED Module, Track Light etc.

Q:What does "A19" mean in LED A19 bulb?: A represents the bubble type, A hemisphere bubble 19, and the back figure indicates the bubble size (mm in diameter)

Q:LED bulb bulbs, do you need 3C certification now?: LED bulb is not required to do 3C certification, and can not do 3C certification, LED bulb is a light source, not lamps, there is no company's LED bulb made 3C, CQC done there.

Q:Secret LED bulb bubble price difference why so big?: Structure. LED heat dissipation is very important, good bulb will be equipped with radiators, inexpensive, and its life can be imagined

Q:Want to find common features, unified purchase accessories repair!: The most common problem is that 1, the drive power is broken 2, the light source due to excessive or excessive flow leading to necrosis

Q:LED can the bulb be used in the bathroom?: of couse Yes, but LED kitchen and toilet light is recommended

Q:What brand of LED bulb is good in quality?: See shape. Incandescent bulbs are usually pear shaped, so the bulb should be pear shaped. That's easy to do. But incandescent lamps are all glass products, and because LED requires heat radiation, aluminum alloys are usually used as housings, because of their low cost, easy processing, and good thermal conductivity. The size of the aluminum shell determines the heat dissipation and also determines the life span.

Q:In a bulb, the ambient temperature of the LED is LED, the temperature of the air in the bulb, or the temperature of the aluminum substrate: The heat sink temperature and the temperature of the radiator is not the same, the heat sink through thermal grease or other heat conducting medium to heat to the radiator, the temperature will not coincide. And the temperature inside and outside the radiator is also different.

Q:I want to ask for high power LED bulb lamp wire inexplicably broke, and in large quantities. Is the quality of the lamp?: Have you used it or haven't you bought it yet?

Q:What is the AC voltage of the LED bulb?: The LED lamp is either a constant voltage drive or a constant current drive without AC voltage. Generally through the drive circuit filter rectifier, LED bulb bulb voltage is about 10V. Add: different drive circuits, different amounts of LED chips, the final voltage is different.

Q:What's the reason why LED bulb gets a lot of heat?: If the radiator has a large radiating area, the temperature is low

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