4W Ghost Light Projection Holiday Light For Christmas Light Wholesales

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Specification:

1. Input AC90-240V , Plastic housing; E27 E26 B22base

2.LED: Red(1pc,3W/pc),Green(1pc,3W/pc),Blue(1pc ,3W/pc),White(1pc ,3W/pc)

3. Dimensions : 74(ø) x 148(L) (mm) ; N.W.: 0.14KG; G.W:0.18kg ;

4. 50pcs/carton ; Carton : 395X395X350mm ; N.W.: 7.5KG; G.W.: 8.6KG

Notice and Warning:

Please do not allow children under 12 to operate this projector;
This unit is only used for indoor,application Disco, Clubs, KTV, PUB, BAR ,Roller skating rinks, Family party ,Halloween & Christmas Party etc.
Please should be prevented from dust,moisture and shake.
Operating voltage is AC110-240V/ 50-60HZ .Once exceeded this range,its lifetime will be shorter.
Please keep continually working less than 8hours .

Packaging & Shipping

Packaging&Shipping

Packaging:

Dimensions : 74(ø) x 148(L) (mm); gift box:150*73*73mm; N.W.: 0.14KG; G.W:0.18kg ;

50pcs/carton ; Carton : 395X395X350mm ; N.W.: 7.5KG; G.W.: 8.6KG

Q:What's the average luminous current of an ordinary LED lamp string?: General LED patch to 0.2W, 0.5W, 0.2W lamp current is 60mA, 0.5W beads 150mA,

Q:The number of lights in the LED string: In general, 1210 specifications of the band is 60 LED per meter, 5050 specifications of the band is 30 LED per meter, the special has 60 LED per meter.

Q:The top LED lights always burn the bulb in series: Do not know what kind of drive you are, try to reduce the current of LED, do not exceed the rated operating current of LED on the line. The method of reducing current is related to drive circuit, and the current limiting method is different for different circuits.

Q:Section LED lantern, no controller, can shine principleTwo now reduced brightness string string: Led 2 polar tube inside chip oscillator circuit, and the general appearance led 2 polar tube without distinction, only connected to the power supply of two kinds of color turns light, 1 seconds, I bought the 5MM red, blue autoflash. From the appearance of the series, but not necessarily in series

Q:Rated voltage of LED lamp string: You are the light string and see how much you a lamp, the lamp voltage for LED in 3.0-3.4V, for intermediate values of 3.2V, N=220/3.2=68.75 so many beads. In fact, we are in terms of LED is a DC device, there is no voltage rating, mainly to see his current value, the work must be steady flow. The power 0.06W LED current is 20MA, the power 0.2W LED current is 60MA, the power is 0.3W, the LED current is 100MA, the power is 1W, the high power LED current is 300-350MA, and so on in turn, ah, I=P/U

Q:220vled water lamp string how to connect, that is, 220 of the electricity: The time of the water lamp is controlled by adjusting the capacity value of the capacitor.

Q:What's the price of the LED light string?: On the market now, 3014 of 11lm is often priced at between 0.13-0.16. The lamp has stable performance, good brightness, low luminous decay, and color index is much better. 600x600LED panel light 360 beads, which is about 53 yuan.Are basically using 11x23 or 11x26mil chip, chip /pcs lamp about a penny.

Q:Led full-color light string and how to control wiring: 5 line DMX512 full color string, 2Po, 2 access, and access control site

Q:How does the LED light string flash?: Because of the special volt ampere characteristics, LED can not use constant voltage driving mode, but is driven by cross flow. The direct drawback of cross flow drive, however, is heat. So people invented the drive mode of pulse drive. For example, 0.5 seconds per second, so that the amount of heat in the LED is reduced by half. Then turn the frequency up to 100 times per second, lighting for 0.005 seconds each time. At this point, the power of the LED is not the same, and people do not feel blinking. What's more, in this driving mode, an approximate cross flow drive (that is, the current is not necessarily precise) can be simplified, which simplifies the drive circuit (the precise cross flow source is very complex)

Q:Example: if I want to do a 40 head low voltage lamp string, do 10 lights, 1 loop, transformer is 150MA, then how can I calculate the resistance? The grid is 60 Hz of China's power grid! Give a formula, and then count the examples. What is it?! Thank you: Diode products cannot be calculated by resistors.

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