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Sitting room condole top round with tube lamp or LED lamp good?
- Around the ceiling? The lamp is uniform or around the focus, if it is for certain part emphasized by ordinary halogen light cup, more can a rendering;s
A transformer with 10 led to shoot the light, to buy what kind of transformer?
- 10 leds in parallel, so that the voltage is not high, is 9.6 to 10.2 V, but the current is 300 ma * 10 = 3 a, and every all the way to 300 ma of constant current source, or with a current limiting resistor, such low efficiency. Power is the same, it is recommended to use 12 v3a to 4 a constant voltage source. 1 break, don't affect other lights.s
How to change the condition of light change the color of the led lamp?
- In light with colored cellophane,There must be some! Is cellophanes
What the difference between LED downlight and LED lamp?
- LED tube light is a light shot inside the embedded in the ceiling lighting lamps and lanterns. Belong to the directional lighting lamps and lanterns, can only by the light of the opposite, its advantage lies in the more concentrated than general lighting lamps and lanterns of lamps and lanterns, usually used for general lighting or assist illume. With the continuous development of LED technology, the service life of the LED tube light now generally can reach more than 50000 small.s
The service life of the LED lamp?
- We usually call 40000 hours don't know is true or nots
The same power of cob and led lamp which is brighter
- LED lamp now single lamp and COB of useful products, according to the principle of the photosynthetic efficiency can distinguish under the same power that or bright.s
Domestic outfit with ten LED shoot the light, how many transformer
- Own need not consider, in some cases is without transformer, will himself with it. 10 lamp, it is better to a transformer. Note: 1, variable pressure, the diameter of wire to calculate according to the power system, voltage; Note 2, transformer cooling; 3, calculate the transformer parameters is that power should be put a little margin.s
How to adjust the light in the home
- See shoot the lamp to drive quality Big drivers are generally produced, performance is strong, the quality guaranteed. Small factory drivers are generally purchasing finished product driven, quality is uneven. 3: check the lamp parameters 1. The main parameters of LED lights, especially in high power LED lamp bead has a luminous efficiency and color rendering index, index of the luminous efficiency is 80-100 LM/W, must be greater than 80 LM/W, but the indicators are in growth, next year will reach 100-120 LM/W. Color rendering index is 0.8, the index is unnecessary to pursue more than 0.85, unless you are engaged in painting on color high requirements of the job.s
How to design garden lighting design
- Garden & Landscape Lighting for all your garden Lighting and outdoor electrical needs. Open to both private and trade enquires and sales.Every one of our range of lights has be...
Have you ever used of emergnecy strobe lights
- LTE837 Starway Warning strobe light has eight lightheads and has 15 patterns offer to choose, the lighthead adopts pulse xenon tube, with high efficiency and energy-saving and stro...
Why is strobe lights for cars important
- The led lightbar will be used in Emergency Vehicle.such as Police car, Fire truck,Ambulance and so on...Special lightbar with multifunctions for different kindsof vehicles.The Lens...
Specifications and details about emergency blue lights
- Emergency blue lights provide worthy vehicle flash light bar, it is completed soft and waterproof, faster strobe to be used for an Emergency lights on the vehicle.Emergency blue li...
Have you ever heard of led emergency vehicle lights
- 911Signal USA is a leading worldwide manufacturer of led emergency vehicle lights and sirens, including LED light bars, warning lights and strobe lights.They constantly get asked w...