Spectrum Analyzer 8 Frequency 6 Level LED VR adjust

Description

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Spectrum Analyzer 8 Frequency 6 Level LED VR adjust
This board is spectrum analyzer which was already assembled , use LED  Green and Red color to show the level of signal. It has 8 frequency display and has 6 LED per frequency to show the amplitude.
Technical information:
- 8 Frequency display by LED 35HZ, 60Hz, 162Hz, 500Hz, 1KHz, 2.75KHz, 5.85kHz and 15.5kHz.
- 6 Level or 6 LED  -> 4 Green color and 2 red color.
- VR to adjust the amplitude of input freq to board.
- Need 12VDC dual supply +12VDC, 0VDC , -12VDC  1A.
- 2 PCB connection.
- PCB size : 11cm x 11cm x 5cm ( High at top of LED )
Shipment
- All products are shipped by Thailand Post Service within 2-3 days by airmail after payment is clear. Except for the weekend, shipping will be postponed to Monday.
We ship worldwide by Economy Airmail ( 3-5 weeks ) as a gift for the customs declaration. Please let us know if you prefer expedited shipping, extra shipping cost is required.
- We are not responsible for any custom duty or import tax.
Return Policy
-
We offer 30 days' money back
. You can purchase with more confidence.
- Full refund if within 45 days buyer doesn't receive our product.
After you receive our products, If it is a defective or missing part,  please take the photo as evidence and contact us within 30 days. You can return the product for replacement or refund. But shipping costs and custom tax are not refundable.
Feedback and Support
- We leave the positive feedback after receiving the payment.
-
Please contact us before leaving negative feedback or open the case.
We will do our best to resolve any problems.
- We always support our customers after-sales.
- If you have any problems or any questions with our products, please feel free to contact us. We have
an engineer to support you
. Don't worry if you are new to electronics.
- Due to timing differences, we may delay to response but it should be within 24 hours. Our working hours are from (GMT+7:00) 08:00 AM to 20:00 PM.
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