Elf Laser Christmas Lights
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What's the price of the LED light string?
- The power supply is also the most important factor affecting the price of LED panel light. The power is not good, directly affect the LED panel lamp life. UL power supply performance is relatively stable. The price is about 53 yuan, TUV power supply price is about 33, and other CE power supply.s
Why are there three lines for the controller of the LED light string? What are they?
- Common positive (red line +) is the positive pole for each street lampThree road cycling (blue line) this four lines are respectively connected with the four colors of LED tube anode side run. When the positive pole is connected to the common cathode, remember that the resistor must be connected first to connect to the positive electrode of the LED tube. The bright output (white) is the word to make it brights
Who knows how the controller of outdoor LED lights can be protected against water?
- There are grades of waterproof and dustproof, and the methods from 0 to 9. are different!I think you should use, can prevent the rain, and shallow water immersion!This is easy to handle. When the controller is made, if it has a shell, touch 703 glue at the joint! General circuits are frequently usedIn fact, many LED production plants have LED filling glue and waterproof!s
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.s
Rated voltage of LED lamp string
- LED is a light emitting diode. It can be used for AC and DC. Because of the reverse breakdown voltage of LED, it is very voltage. The single LED current can be connected by a ammeter to the inside. If you look at the rated current of LED, you should look at its
What is the principle of the LED series?
- LED string:Light emitting diodes, referred to as LED, are made from compounds containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N) and so on.s
The number of lights in the LED string
- 15 lights, 30 lights, and 60 lights refer to the LED band. How many LED components are welded per meter length?s
LED lights string broken, how to repair?
- LED lights string broken: you can check one by one, which is bad, which change.s
Specifications and details about dimmable led downlight
- A dimmable led downlight company was founded by a group of senior engineers in electronics, structure,thermal dissipation and safety standard. This kind of company is intended to p...
How much does a traffic light weigh
- Traffic lights, big and small, how much does a traffic light weigh, the need to points. Now in almost every intersection traffic lights, which is "traffic cop" don't ...
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 police strobe lights important
- Newest police car siren, vehicle siren, electronic siren,used for police car, cop car, fire fighting, ambulance EMS, wrecker, project car, sprinkler, patrol car, emergency vehicle,...
Why is outdoor step lighting important
- Bulbrite's individual LED step lights are expandable up to 50 step lights, includes dusk to dawn sensor, 10 step lights, transformer and junction box.Included in the box: 1- LE...