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Water Level Indicator with Alarm Unassembled Kit

This listing is unassembled kit. User has to soldering all components on the PCB board.

This circuit integrates both a water level indicator and an overflow alarm in a single unit. It can indicate five different water levels with an audible alarm and can also be used as an overflow or flood alarm. The circuit is simple and easy to understand, making it suitable for both educational purposes and practical applications.

Technical Specifications:

Power Supply: 9-12VDC

Maximum Current Consumption: Approximately 60 mA

PCB Dimensions: 2.5 x 2.8 inches

Question: Why is the shipping fee expensive?
Answer: The item is carefully packed in a box with bubble wrap to prevent damage, and it is shipped via air mail with a tracking number. This helps prevent loss and allows you to track the shipment.

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.