Q:How many W LED lamp can same as philips 150 W metal halide lamp brightness?

3 x1 m billboards with 150 w metal halide lamp effect should be good, because the billboard is the reflection to the human eye, so the human eye can see clearly, so if in see billboards within a certain distance, need certain average illuminance, namely lux Lx.

Q:Household LED lamp directly on the ceiling above the glass, glass temperature is higher, matter?

You mean the glass or usage of lamps and lanterns more important matters, Let's enhance heat dissipation area, or to change the lamp. If the heat dissipation of lamps and lanterns can't very good, affect the life don't say Is a waste of money. Advice is to buy good LED lamps and lanterns, buy poor than energy-saving lamps?

Q:The 3 w LED lamp color temperature is how many?

Depends on specific manufacturers to choose what kind of LED. Between 3000 and 8000 all have, can choose for yourself

Q:LEDPAR lamp, LED lamp, LED downlight, users don't, the usefulness of various lamps and lanterns?

Specific differences, you can ask the professional lighting shop, is the last time I decorate my office to ask

Q:Led lamp power consumption how much every day

Power consumption calculation: 1 hour because 1 kw is 1 degree, if according to the 5 w, 10 hours, computational method is, 0.005 kw x = 0.05 degrees, 10 hours a month (30 days) power consumption is 1.5 degrees.

Q:The LED lamp heating temperature of 65 ° high

But if the light source on the heat doesn't pass all the shell, then 65 degrees it is hard to say, analyze the hot flow channel of light.

Q:Shoot the motorcycle electric car led super bright headlights 12 v - 80 - v gm is what mean?

Shoot the motorcycle electric car led super bright headlights 12 v - 80 - v general means: Shoot the motorcycle electric car led super bright headlights in the battery voltage is 12 v (v) to 80 v (v) of this scope can normal work.

Q:How to choose to shoot the light

LED to shoot the light color consistency: the current domestic there are a lot of assembly house, large and small combined also have thousands of, of course, also have strong and weak points of the power. There are a lot of small assembly house because there is no testing machine, so either not testing, or outgoing. For such quality is difficult to guarantee.

Q:How to distinguish the stand or fall of the LED lamp

LED lamp cent two kinds of low pressure, high pressure, consumers had better choose low voltage lamp, its long service life, high light efficiency. Shoot the light efficiency of high and low to power factor, power factor, the greater the photosynthetic efficiency, the better, the power factor of ordinary lamp at around 0.5, the price is cheap, high-quality shoots the lamp power factor can achieve 0.99, the price is a bit expensive. Shoot the generally used to strengthen the lighting on the trim, general is embedded in the ceiling or wall, LED to shoot the light work generally have a higher temperature, so set to buy the high quality product, otherwise there will be a security risk

Q:Led lamp light source plate can change yourself?

Change that can change, the overall is good, the inside of the bulb is not good to buy also is bad, because bad you sure is bad or the light bulb lamp body,