5W MR16 COB LED Spotlight Silver White Black Housing Color

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5W MR16 COB LED Spotlight Silver White Black Housing Color

Specifications:

Features:

1. Adopted with Epistar COB LED chip,to ensure high brightness10 times as incandescent lamp.

2. Top brand LED driver in China for better stablility.

3. High efficiency,energy saving up to 80%.

4. Long lifespan up to 50000 hours.

5. AC/DC12V Low voltage operation,safe and reliable.

6. Eye-friendly,high render index,no flash.

7. CE&RoHS approval.

5W MR16 COB LED Spotlight Silver White Black Housing Color

Q: How do you connect the LED lights?: Connect the bottom edge of the triangle symbol to the high voltage and the sharp angle to the low voltage. The bottom edge of the next LED is connected with a sharp angle

Q: The color temperature of LED light string: Light source temperature is different, light color is also different:The color temperature is below 3300K, the color is red, and gives a warm feeling. There is a sedate atmosphere and a warm feeling.The color temperature is in the middle of 3000--6000K, and there is no obvious visual psychological effect in this hue, and there is a refreshing feeling. It is called neutral color temperatureColor temperature exceeds 6000K, light color slants blue, give a person with cool feeling, commonly referred to as cool color temperature.

Q: How does the LED light string flash?: LED because of its special structure, frequent startup does not reduce its service life, but high temperature can significantly shorten its life. So cooling is important for LED.

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: If you direct the transformer to the LED lamp power supply, the life of the LED lamp will be affected, far less than the nominal value.

Q: What is the connection distance of the LED light string?Be specific: When the installation must be installed according to the manufacturer's requirements, do not let the LED lamp string overload operation. I use the Zhongshan Greenman, which has detailed instructions, easy connection

Q: Why are there three lines for the controller of the LED light string? What are they?: The LED pipe positive string is connected with 4-5 1K2W resistance strings, and the other end of the resistor is connected with the common positive pole of the controller. LED tube controller's direct bright output (Huang Xian), if the LED tube brightness is not too bright, minus a resistor. Remember not to short-circuit, short-circuit, burn out the controller. The less string LED, the more resistance string.

Q: LED lights string broken, how to repair?: LED lights string broken: you can check one by one, which is bad, which change.

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: How much is the voltage across the 20 LED lamps in series?: Each LED is about 3V, and the 20 series is 60V

Q: What are the power connections for the LED light string?: If you do not want to use a power to control each LED lamp string, can switch power to buy a relatively large power for the total power supply, then put all LED light on the input power (all parallel wire size is not enough, can also extend) unified by the total power switch.

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