Q:Ceiling LED lamp with controller output how many volts?

Yes！ Have high pressure, also have mortgage. Usually 12V.

Q:According to the LED lights, how to judge the quality of the products?

Look at the quality of FPC. FPC points of copper and rolled copper two kinds, copper plate copper is protruding out, look carefully, from the pad and FPC connection to see. The rolling copper is closely connected with FPC, and can be bent at any time without the phenomenon of pad falling off. If the copper plate is bent too much, the pad will fall off and the temperature will be too high to cause the pad to fall off.

Q:Why does the length of the LED band fade with length?

This doesn't matter where the power is put. Now that the lights are in parallel, the male Street meets up. Too many connections cause excessive power load.

Q:What are the sizes of LED lamp belts?

Recommend the selection of photon lighting LED lights belt, personalized custom, professional custom can meet your requirements led band.

Q:Led how to install the lamp belt, LED lights with the installation process detailed

Please do not use heavy objects to knock on the lamp and to shock when installing and using it.At the end of 7. tube must be caught before the tail plug with glue.8. only the same specifications, the same voltage of the two section of the lamp string can be connected to each other, the total length of the series shall not exceed the maximum allowable length9., the interface must be solid, no short-circuit hazards, outdoor installation, the interface must be glass glue or other appropriate methods to seal the interface, to ensure that each interface water.

Q:PCV flame retardant material toxic? (LED background light band)

This band of material itself is made of rubber, and all the glue is with formaldehyde, want to go to formaldehyde, there are two ways, one is to buy. Activated carbon sucked, and the two is the doors and windows open, so that the room ventilation.

Q:How much is the price of LED light box lamp?

LED lamp belt price is according to its quality to evaluate, poor quality a few dollars a meter, good quality more than ten yuan a meter!

Q:LED how to distinguish between good and bad?

Look at the label. Regular LED lights, bags, and rolls have printed labels, not printed labels. The Shanzhai version of the label is printed, while specifications and parameters are not uniform.

Q:How about the short circuit when the LED lamp belt is installed?

Has been burned or just burned out lamp controller or other.Different situations, different solutions, it is best to contact the seller directly.

Q:Can different color LED lights come together?

Hello, LED lights with different colors, but the same voltage can be connected together, monochrome as long as it is connected to the positive and negative, you can light.