--- product_id: 48415537 title: "445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse" brand: "extech" price: "545.46 DT" currency: TND in_stock: true reviews_count: 6 category: "Extech" url: https://www.desertcart.tn/products/48415537-445703-big-digit-indoor-humidity-and-temperature-meter-digital-hygrometer store_origin: TN region: Tunisia --- # 3-axis EMF detection (30Hz-300Hz) for safety Big digit LCD display for instant readings Measures humidity 10-99% RH with precision 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse **Brand:** extech **Price:** 545.46 DT **Availability:** ✅ In Stock ## Summary > 📈 Elevate your environment monitoring game—because precision is the new power move. ## Quick Answers - **What is this?** 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?** 545.46 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/48415537-445703-big-digit-indoor-humidity-and-temperature-meter-digital-hygrometer) ## 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 - • **EMF Safety Monitoring:** 3-axis electromagnetic field measurement detects EMF exposure around power lines and appliances, keeping your space safe and compliant. - • **Ready to Use, Anywhere:** Compact, lightweight design with included AAA battery, wall mount, and stand—ideal for seamless integration into any professional or personal space. - • **Precision Humidity Control:** Accurately tracks indoor humidity from 10% to 99% RH, perfect for optimizing your home, office, or greenhouse environment. - • **Instant Clarity, Zero Guesswork:** Oversized digits on a crisp LCD ensure you never miss a critical reading, even from across the room. - • **Smart Alerts with Min/Max & Alarm:** Stay ahead of environmental changes with built-in min/max tracking and customizable alarms that notify you instantly. ## Overview The Extech 445703 is a versatile digital hygrometer and thermometer featuring a large digit LCD display, precise humidity measurement (10-99% RH), and 3-axis EMF detection (30Hz-300Hz). Designed for home, office, and greenhouse use, it includes min/max tracking, alarm functions, and comes ready to deploy with battery, stand, and wall mount. Trusted by professionals seeking reliable environmental data with ISO 9001 quality assurance. ## Description Extech 445703 Big Digit Indoor Humidity & Temperature Meter, Digital Hygrometer Thermometer with Min/Max & Alarm for Home, Office, Greenhouse : desertcart.co.uk: Garden Review: completely satisfied. - Delivered on time, does the job required, completely satisfied. Review: je suis satisfais du produit que j'ai acheté sur ce site. livraison assez rapide, conforme à l'annonce et bien protégé. le produit fonctionne très bien et je le recommande à toute personne qui serait interressée... ## Features - Three axis (X, Y, Z) electromagnetic field measurement (30Hz to 300Hz) - Humidity: 10 to 99 percentRH - Ideal for EMF measurements around power lines, electrical appliances and industrial devices - Wide measuring ranges (3 ranges of µTesla or mGauss) - Big digit LCD display, Data hold ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00069ECFY | | Batteries | 1 AAA batteries required. (included) | | Batteries Required? | Yes | | Batteries included? | Yes | | Battery Cell Type | Alkaline | | Best Sellers Rank | 240,263 in Garden ( See Top 100 in Garden ) 777 in Hygrometers | | Colour | White | | Customer Reviews | 4.5 4.5 out of 5 stars (377) | | Date First Available | 13 May 2011 | | Display style | LCD | | Included components | Stand, Wall mounting bracket and 1 AAA Battery | | Item Package Quantity | 1 | | Item Weight | 20 g | | Item model number | 445703 | | Manufacturer | Extech | | Number of Pieces | 1 | | Part number | 445703 | | Plug profile | Wall Mount | | Product Dimensions | 9.91 x 9.91 x 10.92 cm; 20 g | | Size | Big Digit Hygro-Thermometer | | Special Features | Reusable | | Specification met | ISO 9001 | | Style | 445703 | | Voltage | 1.5 Volts (DC) | | tech_spec_battery_description_toys | AAA | ## Product Details - **Battery description:** AAA - **Brand:** Extech - **Colour:** White - **Item weight:** 0.02 Kilograms - **Product dimensions:** 9.9W x 10.9H centimetres ## Images ![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) ## Questions & Answers **Q: Can you change the temperature to Celsius?** A: We have it set to a Celsius reading ## Customer Reviews ### ⭐⭐⭐⭐⭐ completely satisfied. *by A***R on 18 November 2016* Delivered on time, does the job required, completely satisfied. ### ⭐⭐⭐⭐⭐ Review *by M***U on 28 May 2014* je suis satisfais du produit que j'ai acheté sur ce site. livraison assez rapide, conforme à l'annonce et bien protégé. le produit fonctionne très bien et je le recommande à toute personne qui serait interressée... ### ⭐⭐⭐⭐⭐ Review *by H***. on 21 September 2014* Like that I can read indoor and outdoor temps and humidity all one one screen; no need to switch from one to the other. Really like the big display, easy to read. Very satisfied with this product and the shipping was prompt. Highly recommend this product! ## Frequently Bought Together - Extech 445703 Digit Thermometer - Extech 445580 Humidity and Temperature Pen Sized Meter with Pocket Clip --- ## 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.tn/products/48415537-445703-big-digit-indoor-humidity-and-temperature-meter-digital-hygrometer](https://www.desertcart.tn/products/48415537-445703-big-digit-indoor-humidity-and-temperature-meter-digital-hygrometer) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-29*