---
product_id: 678421621
title: "Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse"
brand: "extech"
price: "€ 68.53"
currency: EUR
in_stock: true
reviews_count: 7
url: https://www.desertcart.ie/products/678421621-extech-445703-big-digit-indoor-humidity-and-temperature-meter-digital
store_origin: IE
region: Ireland
---

# Min/Max tracking Battery powered, included ±1°C accuracy Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse

**Brand:** extech
**Price:** € 68.53
**Availability:** ✅ In Stock

## Summary

> 🌟 Big Digits, Big Impact: Monitor Your Climate Like a Pro!

## Quick Answers

- **What is this?** Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse by extech
- **How much does it cost?** € 68.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/678421621-extech-445703-big-digit-indoor-humidity-and-temperature-meter-digital)

## Best For

- extech enthusiasts

## Why This Product

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

## Key Features

- • **Ready Out of the Box:** Includes AAA battery, stand, and mounting bracket so you can start monitoring immediately—no extra purchases needed.
- • **Precision You Can Trust:** Experience ultra-reliable temperature readings with ±1°C accuracy, perfect for your workspace or home.
- • **Sleek Wall-Mount Design:** Modern gray and green finish fits seamlessly on any wall, saving desk space and elevating your setup.
- • **Stay Informed with Min/Max:** Track temperature extremes effortlessly to optimize your environment and never miss a critical change.
- • **Built to Last with Warranty:** Backed by a 1-year warranty, ensuring durability and peace of mind for your daily temperature tracking.

## Overview

The Extech 445703 Digit Thermometer offers precise temperature monitoring with ±1°C accuracy and Min/Max tracking. Featuring a sleek wall-mount design and powered by an included AAA battery, it’s ready to deliver reliable readings in any professional or home environment. Compact, lightweight, and backed by a 1-year warranty, this hygro-thermometer is your go-to tool for smart climate control.

## Description

Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse, Baby Room

## Features

- issue?Fast solution_is_contact us with title: Extech 445703 Big Digit Hygro-Thermometer with Min/Max New -supplier-home-gallery

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Gray,Green |
| Brand | Extech |
| Item Weight | 0.02 Kilograms |
| Mounting Type | Wall Mount |
| Operating Humidity | 99 percent |
| Upper Temperature Rating | 140 Degrees Fahrenheit |
| Temperature Accuracy | ±1°C |
| Manufacturer | Extech |
| UPC | 733353790228 756635763956 793950445730 785533635805 |
| Global Trade Identification Number | 00793950445730 |
| Part Number | 445703 |
| Item Weight | 0.704 ounces |
| Product Dimensions | 3.9 x 0.78 x 4.3 inches |
| Country of Origin | China |
| Item model number | 445703 |
| Batteries | 1 AAA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | Hygro-Thermometer |
| Style | With Min/Max |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement Accuracy | +/- .05% |
| Display Style | Digital |
| Special Features | High Accuracy |
| Included Components | Stand, Wall mounting bracket and 1 AAA Battery |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | NiCAD |
| Warranty Description | 1 Year |
| National Stock Number | 6685-01-588-4791 |

## Product Details

- **Color:** Gray,Green
- **Brand:** Extech
- **Item Weight:** 0.02 Kilograms
- **Mounting Type:** Wall Mount
- **Operating Humidity:** 99 percent

## Images

![Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse - Image 1](https://m.media-amazon.com/images/I/61wrUv+oGRL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ accurate readings, cheap, simple
*by C***K on March 1, 2025*

The Extech 445715 Digital Thermometer is a solid purchase if you need accuracy. I use it for everything from cooking to checking room temperatures, and it’s always spot-on. The display is clear, and the device itself feels well-made and durable. It’s quick to respond, and the easy-to-use buttons make it simple to operate. If you need a reliable thermometer, this one’s definitely worth it!

### ⭐⭐⭐⭐⭐ Great Product
*by T***N on April 14, 2025*

Works great in my music studio. Guitars require between 40-60% humidity. This is perfect measuring device for me.

### ⭐⭐⭐⭐⭐ Works well
*by M***C on March 29, 2025*

Works as stated and numbers are a nice size.

## Frequently Bought Together

- Extech 445703 Digit Thermometer
- Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip

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**Shop now:** [https://www.desertcart.ie/products/678421621-extech-445703-big-digit-indoor-humidity-and-temperature-meter-digital](https://www.desertcart.ie/products/678421621-extech-445703-big-digit-indoor-humidity-and-temperature-meter-digital)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-06-12*