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Feature:

1. Once the settings are changed, the data is automatically saved every 5 seconds. When the data is saved, the data will remain off and the data will be saved multiple times because the factory data will be saved for the first time. Power or other settings and operations! If you change the power immediately after the change, the changed data will not be saved.
2. Ultra-small stereo level light that adjusts the light bar rise, descent speed and lamp stop time. Each lamp is equipped with an independent current limiting resistor to ensure the same brightness of different color lights. The signal input is isolated by the op amp to avoid single-chip high-frequency interference .
3. Rich in functions, users can freely adjust the main top of each light bar and actual light speed, which is most suitable for their own display.
4. input is isolated by TI signal to minimize monolithic high frequency interference in series circuits.
5. Different colors of light provide separate current limiting resistors. Guarantee perfect match.

Specification:

Item Type:12 Level Stereo Indicator
Display Effect:
1. Strip Show+ After Top Travel Whereabouts

2. Strip Show After+ The Disappearance Of The Top Travel
3. The Strip Display + (No Top Display)
4. Strip Show+ Right After The Top Flow Disappears
5. The Strip Display + (Three Lights)
6. Striped Marquee Display + Top Effect
7. Top+ Strip Show Right Jump Lamp Lights Two Bits Whereabouts
Operating Voltage: 7v-12v 100mA
Colors: 7 Green + 2 Orange + 3 Red
This level lamp Have standard display mode and Wide range of automatic gain control(AGC)Mode

Statement:
The V1.2 version software adjusts the previous real-time mode to a professional DB mode, which can be installed in professional related equipment for signal monitoring purposes. The amplitude range is -40dB to +9dB, which has professional reference significance.
For some users that the level of light sensitivity, please complete the user welding test the first thing must press the button for 10 seconds to restore a factory settings!
The page picture is very clear! Because the program burned into the chip is not in the initial working state, you must restore the factory settings after the level lights are in normal working condition! . .
Sensitivity of the user feel the problem is to restore their own factory settings! . . As long as done this operation, there will be no sensitivity problems, and the level of light sensitivity than we imagined much better! In particular, the signal automatic gain control range is very wide!
The data will be saved automatically every 5 seconds after the setting is changed. The data will be extinguished all the time when the data is saved, and the data will be saved several times because the factory data will be saved for the first time. Power or make other settings and operations! If the power is changed immediately after the change, the changed data will not be saved. Please know!
Ultra-small size stereo level lights, light bar can be adjusted to rise, the rate of decline and top lamp residence time, the rate of decline. Each lamp set up a separate current limiting resistor, Ensure the same brightness of the different color lights ,Signal input through the op-amp isolation,Avoid single-chip high frequency interference .

The MCU samples at the sampling time, so that the simultaneous input signals of the two channels change rapidly, and the amplitudes of the two light bars may be different, which is normal.
In extreme cases, there may be very slight high frequency noise. It is recommended to replace the signal input head position with a two-core shielded cable.

Working voltage: 7-12v current can work above 100MA. It is forbidden that the voltage exceeds 12v positive and negative reversal, will it cause damage.

Package List:

1 x Main Unit

1 x 20cm Long 0 Interval 5 Pin Cord

Note:

1. Dual 12 level music screen level ultra-small-size stereo level light, which can freely adjust the rise and fall speed of the light bar and the stop time and descent speed of the top lamp. Each lamp is separately provided with a current limiting resistor to ensure the brightness of the lamps of different colors is consistent, and to ensure that there is no light and dark change in the case where the lamp is much brighter. The signal input is isolated by the op amp to prevent the high frequency interference of the MCU from being inserted into the .

2. Classic color matching: 7 green + 2 orange + 3 red

3. The single-chip microcomputer uses time-sharing sampling, there may be two channels connected in parallel with the same signal, the amplitude of the two light bars may be different.

4. In very extreme cases, there may be very slight high frequency noise. Please pay attention to the power supply separately, and try to replace the lamp input line with the shield wire.

1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.
2. duties,taxes,and charges are not included in the item price or shipping fee.
3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase.
4. All disputes arising from the duties will be submitted to ebay for solution.

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On 30-Mar-2026 at 07:03:06 BST, seller added the following information: