---
product_id: 253296938
title: "General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays"
brand: "general tools"
price: "$2187"
currency: MXN
in_stock: true
reviews_count: 6
category: "General Tools"
url: https://www.desertcart.mx/products/253296938-general-tools-mmd4e-digital-moisture-meter-water-leak-detector-moisture
store_origin: MX
region: Mexico
---

# Backlit LCD with 0.3" high digits for instant readings Pin-type precision with 8mm stainless steel pins Audible & visual alerts for moisture levels General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays

**Brand:** general tools
**Price:** $2187
**Availability:** ✅ In Stock

## Summary

> 💧 Detect moisture before it detects you — stay mold-free and worry-free!

## Quick Answers

- **What is this?** General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays by general tools
- **How much does it cost?** $2187 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/253296938-general-tools-mmd4e-digital-moisture-meter-water-leak-detector-moisture)

## Best For

- general tools enthusiasts

## Why This Product

- Trusted general tools brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant Clarity:** Large backlit LCD digits ensure you never miss critical moisture data, even in low-light conditions.
- • **All-Inclusive Kit:** Comes with extra pins, a protective calibration cap, and a 9V battery—ready to use out of the box.
- • **Pinpoint Accuracy:** Stainless steel pins deliver precise moisture readings from 5-50% in wood and 1.5-33% in drywall and concrete.
- • **Trusted Expertise:** From General Tools, a leader in precision instruments trusted by professionals worldwide.
- • **Proactive Protection:** Audible and visual alerts instantly notify you of high, medium, or low moisture levels to prevent costly mold damage.

## Overview

The General Tools MMD4E Digital Moisture Meter is a professional-grade pin-type moisture tester featuring 8mm stainless steel pins, a backlit LCD with large digits, and audible/visual alerts for high, medium, and low moisture levels. Designed for wood, drywall, and concrete, it offers a broad detection range and includes extra pins, a calibration cap, and a 9V battery. Ideal for early water damage detection and mold prevention, it’s a must-have for home managers and pros alike.

## Description

General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays : desertcart.ae: Tools & Home Improvement

Review: Very good - Very useful and we found something not new damage in the wall we can’t see it but with this we discover it .
Review: مقص الاغنام لم يصلني ولم استلم المبلغ المدفوع - شكرا

## Features

- Humidity sensor: our handy meter tool can quickly determine what level of remediation is needed to keep your family safe from black mold
- Water leak detector: finding the moisture content in your wood or drywall is the first step in early prevention
- Moisture reader: the mold test features large 0.3" high digits in a backlit lcd for quick and easy detecting. Our mildew scanner includes extra 8mm stainless steel pins, a protective cap that doubles as a calibration checker, and a “9v” battery
- Mold tester: for an accurate test read, stick the stainless steel pins into the surface of what you're measuring. The gauge has a broad range of 5 - 50% for wood and 1.5 - 33% for building materials such as concrete and drywall
- General tools: we're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00275F5O2 |
| Battery Description | Alkaline |
| Battery description | Alkaline |
| Best Sellers Rank | #1,222 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Moisture Meters |
| Brand | General Tools |
| Brand Name | General Tools |
| Color | Gray |
| Colour | Gray |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 14,441 Reviews |
| Global Trade Identification Number | 00681035414477, 00885265551395 |
| Included Components | Moisture meter, batteries, extra pins |
| Item Dimensions W x H | 24.1W x 3.6H centimeters |
| Item Type Name | Moisture Meter |
| Item height | 1.4 inches |
| Lower temperature rating | 32 Degrees Fahrenheit |
| LowerTemperature Range | 32 Degrees Fahrenheit |
| Manufacturer | General Tools |
| Mounting Type | Tabletop |
| Mounting type | Tabletop |
| Operating Humidity | Varied |
| Product dimensions | 24.1W x 3.6H centimeters |
| Temperature Accuracy | 3 |
| UPC | 012301860924 716080037835 885312937219 885265551395 885367884865 681035414477 069060294668 031112659039 885898031110 522536779064 971483008299 031113382226 |
| Unit Count | 1 Count |
| Upper Temperature Range | 60 Degrees Celsius |
| Voltage | 9 Volts |

## Product Details

- **Battery description:** Alkaline
- **Brand:** General Tools
- **Colour:** Gray
- **Lower temperature rating:** 32 Degrees Fahrenheit
- **Product dimensions:** 24.1W x 3.6H centimeters

## Images

![General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays - Image 1](https://m.media-amazon.com/images/I/61+4TbrH9kL.jpg)
![General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays - Image 2](https://m.media-amazon.com/images/I/61q-xVenYdL.jpg)
![General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays - Image 3](https://m.media-amazon.com/images/I/71Q-aRPDe4L.jpg)
![General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays - Image 4](https://m.media-amazon.com/images/I/71ugFTmagpL.jpg)
![General Tools Mmd4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit Lcd Display With Audible And Visual High-Medium-Low Moisture Content Alerts, Grays - Image 5](https://m.media-amazon.com/images/I/71yoz82hizL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: accuracy**
A: I found the stated range of error to be ambiguous. It was stated as being within 3% of the reading. But the units of measure of the reading are themselves in percent.So I wrote the following to the manufacturer, asking if I had a reading of, say, 10% did that mean the range of error was 9.97 - 10.03% or 7 - 13%.This was their reply:The accuracy is ±(3% + 3 digits) as stated in the manual.  To use your example, if the meter reads 10% then it is really between 7%-13%.  The website will be updated accordingly.  Thank you for bringing this to our attention and if there is anything else you have questions about, please feel free to contact us.

**Q: Can I use this product to rule out a plumbing leak under my concrete bathroom floor.  The outer bathroom wall is concrete & paint is bubbling.**
A: It won't show thru the cement unless it is wet. Also is the wall an exterior wall & you could be getting moisture there. With the paint bubbling you do have a water problem from some where inside or out, but you could check with the tool on the inside in the wall real low next to the cement. It worked real well for my particular problem without tearing up the carpet to find my problem. Hope this helps.

**Q: I have a wooden floor that is swelling little bit. I know I had a small water leak. Can this tool help me to check if there is moisture underneath?**
A: ABSOLUTELY!  This is just what you need, it tells you the exact moisture where the contacts touch the wood.  There is a small button on the face right under the word GENERAL that allows you to pick wood or concrete.  I use it on our Maple flooring in the summer to see where we are with water content.

**Q: Will it measure moisture in drywall?**
A: Yes.   It has two features (1) Wood which I use on dry wall, wood, plastered walls, carpeting.. (2) Building material which I use on concrete floors, concrete blocks...  I have found it works well on concrete and I can trace moisture in our basement floors which has helped to target where work needs to be done in outside grading.  By the way I am a 78 year old woman and have had "fun" using this meter.  Money well spent.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very good
*by A***E on 7 December 2025*

Very useful and we found something not new damage in the wall we can’t see it but with this we discover it .

### ⭐⭐⭐⭐⭐ مقص الاغنام لم يصلني ولم استلم المبلغ المدفوع
*by S***I on 11 December 2025*

شكرا

### ⭐ Bad product
*by M***I on 7 April 2025*

The item was received in bad condition. It’s clear that the wrapping had been opened before it was sent to me. It appears as though someone used it and then rewrapped it—poorly.

## Frequently Bought Together

- General Tools MMD4E Digital Moisture Meter, Water Leak Detector, Moisture Tester, Pin Type, Backlit LCD Display With Audible and Visual High-Medium-Low Moisture Content Alerts, Grays
- Klein Tools ET140 Pinless Moisture Meter for Non-Destructive Moisture Detection in Drywall, Wood, and Masonry; Detects up to 3/4-Inch Below Surface
- General Tools PIN3 Replacement Pins for MMD4E, RHMG650 and RHMG700DL Silver

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.mx/products/253296938-general-tools-mmd4e-digital-moisture-meter-water-leak-detector-moisture](https://www.desertcart.mx/products/253296938-general-tools-mmd4e-digital-moisture-meter-water-leak-detector-moisture)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-24*