# DollaTek 4-Digit Tachometer Speed Display Speedometer + Proximity Sensor NPN Hall Effect inductive LED Panels Digital Module Indoor for car LED Display — resale value

Source: JunkPal price guide — https://junkpal.ai/products/dollatek-4-digit-tachometer-speed-display-speedometer-proximity-sensor-b083pvygzn

**DollaTek 4-Digit Tachometer Speed Display Speedometer + Proximity Sensor NPN Hall Effect inductive LED Panels Digital Module Indoor for car LED Display** sells for about **$9.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/dollatek-4-digit-tachometer-speed-display-speedometer-proximity-sensor-b083pvygzn

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $9.99 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DDollaTek%25204%2520Digit%2520Tachometer%2520Speed%2520Display%2520Speedometer%2520Proximity%2520Sensor%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DDollaTek%25204%2520Digit%2520Tachometer%2520Speed%2520Display%2520Speedometer%2520Proximity%2520Sensor%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | DollaTek |
| Category | Portable Audio & Accessories |

## About

This is the DollaTek 4-Digit Tachometer Speed Display Speedometer + Proximity Sensor NPN Hall Effect inductive LED Panels Digital Module, designed for indoor car LED display applications.

It is ideal for hobbyists, automotive enthusiasts, and DIY electronics projects looking to integrate digital speed and tachometer readings.

Resale value is influenced by the module's condition, whether all components are present, and the specific edition or version of the DollaTek unit.

## FAQ

**What is this item used for?**

This module functions as a 4-Digit Tachometer Speed Display Speedometer with a Proximity Sensor, suitable for indoor car LED displays.

**What factors affect the resale value?**

The resale value is determined by the module's condition, its completeness, and the specific edition.

**Is this part for a specific car model?**

The product description indicates it is a general digital module for indoor car LED display use, not tied to a specific vehicle model.

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Full price guide: https://junkpal.ai/products/dollatek-4-digit-tachometer-speed-display-speedometer-proximity-sensor-b083pvygzn
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"