3000LM Citizen COB 40W LED Downlight High Quality

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Product Description:


40W LED Downlight 
1.Citizen cob leds 
3.3 years warranty 

3000LM Citizen COB 40W LED Downlight


Product Name40W LED Dwonlight
Input VoltageAC85-265V
Frequency 50-60HZ
Working Temperature -20-+50°C
Beam Angle 24°/60°
Main MaterialDie-casting Aluminum
Cut HoleD155mm

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Q:How to judge the quality of LED downlight
A good LED downlight, design not only to see it the radiator, but also its driver, the core part will have to see it with the chip, which is what we call the LED lamp.
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:LED downlight, embedded lamps, lamp tube and difference?
I. definitions1, downlightThe lamp is generally a lamp holder, lamp can be directly mounted incandescent or energy-saving lamps. Is a lamp embedded into the lighting ceiling light shooting style. Its biggest characteristic is to maintain the overall unity and perfection of the building decoration, not because of the setting of lamps and lanterns, and destroy the perfect unity of ceiling art. The recessed luminaire, mounted inside the ceiling, projects all the light downward, directly to the light. Different light effects can be obtained with different reflectors, lenses, louvers, and light bulbs. Table space, can increase the space of the soft atmosphere, if you want to create a warm feeling, can try a lamp lamp, reducing the spatial sense of oppression. Generally in the hotel, family, coffee shop use more.
Q:Now there is no replacement of the LED light source lamp?
Yes, the finished product is one, 25 yuan a, excluding postage, 3W
Q:Excuse me, how many different sizes for LED lamp lumens
If you want to output LM, we must first choose high light efficiency of the lamp, this problem because there is no explanation for what your power and lamp type lamp, so I can not estimate
Q:The opening 7, 5 cm height of the LED lamp, home decoration into the floor with fear of hydrochlorothiazide
Suggest you go to Taobao search, you say the kind of description, there are all attributes. Because you say too many varieties, I don't know what you're talking about
Q:Excuse me, how to install the LED lamp?
Installation installation method 3 inch downlight LED you can refer to EPCOL, thank you! Hope to be helpful to youA: check the manual, to understand the basic features of LED lamps:Two: installation of lamps and lanterns preparation work:Turn off the main power supply. Make sure the power is off and safe operationLook at the wiring, check the upper part of the ceiling line, the line pipe, if necessary, pull the wire to the place where the lamp needs to be installedPay attention to the groove, without sharp edges and burrs, so as not to scratch the power cordDetermine the line diameter of the cable according to the load,
Q:Know the LED lamp wattage
There are regular W, 5W, 7W, 9W, 12W, 15W, 18W, 20W and so onSpecial requests can also be made if you have special needsIf you can tell me what you do, I can give you the recommended power
Q:LED lamp power off why would light up
The distribution of capacitor connected switch contacts of parallel line formation (originally existed), after turning off the switch can still trace by alternating currentYou used a small light source lamp power LED lamp (mA current to shimmer)The combined effect of the above.
Q:What is the size LED downlight
LED lamp size generally have 6 inch, 5 inch, 4 inch, 3 inch, 2.5 inch, inch inch refers to here, refers to the inside of the reflection cup diameter.The commonly used standard size and parameters of LED downlight:2.5 inch LED lamp size parameters of hole (phi 80) - page table size Phi 102 * H30 power 3W;3 inch LED lamp size parameters of hole (phi 90) - page table size Phi 112 * H30 power 5W;3.5 inch LED lamp size parameters of hole (phi 100) - page table size Phi 122 * H30 power 7W;4 inch LED lamp size parameters of hole (phi 120) - page table size Phi 146 * H30 power 9W;5 inch LED lamp size parameters of hole (phi 150) - page table size Phi 180 * H30 power 12W;6 inch LED lamp size parameters of hole (phi 160) - page table size Phi 190 * H30 power 15W;LED downlight is a kind of embedded lighting ceiling light shooting style.

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