--- product_id: 650943227 title: "INKBIRD Bluetooth Thermometer & Hygrometer ITH-21-B Temp/Humidity Monitor" brand: "inkbird" price: "฿2821" currency: THB in_stock: true category: "Inkbird" url: https://www.desertcart.co.th/products/650943227-inkbird-bluetooth-thermometer-and-hygrometer-ith-21-b-temp-humidity store_origin: TH region: Thailand --- # 2 years data export & history Bluetooth 5.0, 230ft range ±0.2°C accuracy Swiss sensors INKBIRD Bluetooth Thermometer & Hygrometer ITH-21-B Temp/Humidity Monitor **Brand:** inkbird **Price:** ฿2821 **Availability:** ✅ In Stock ## Summary > 🌡️ Stay cool, stay smart—your indoor climate, mastered. ## Quick Answers - **What is this?** INKBIRD Bluetooth Thermometer & Hygrometer ITH-21-B Temp/Humidity Monitor by inkbird - **How much does it cost?** ฿2821 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/650943227-inkbird-bluetooth-thermometer-and-hygrometer-ith-21-b-temp-humidity) ## Best For - inkbird enthusiasts ## Why This Product - Trusted inkbird brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-Lasting Power:** Enjoy over 15 months of uninterrupted monitoring on just two AA batteries—eco-friendly and hassle-free. - • **Data-Driven Comfort:** Access and export up to 2 years of precise temperature and humidity history to optimize your living or workspace environment. - • **Custom Comfort Alerts:** Set personalized temperature and humidity comfort levels in the app tailored to your health and lifestyle needs. - • **Precision You Can Trust:** Swiss-made Sensirion sensors deliver ultra-accurate readings with ±0.2°C and ±2% humidity for reliable climate insights. - • **Seamless Remote Monitoring:** Control and track indoor climate effortlessly via Bluetooth 5.0 with up to 230ft range—stay connected wherever you are. ## Overview The INKBIRD ITH-21-B is a cutting-edge 6-in-1 Bluetooth smart thermo-hygrometer featuring a large 3.8-inch LCD, Swiss precision sensors with ±0.2°C accuracy, and Bluetooth 5.0 connectivity for remote monitoring up to 230ft. It stores up to 2 years of temperature and humidity data with easy export options, customizable comfort alerts via app, and boasts a remarkable 15+ month battery life, making it the ultimate tool for maintaining optimal indoor environments. ## Description INKBIRD Bluetooth Smart Thermo-Hygrometer ITH-21-B, 6-in-1 Indoor Temperature and Humidity Monitor with APP Control, Custom Comfort Levels, 2 Years History Export : desertcart.ae: Patio, Lawn & Garden ## Features - 6-in-1 Thermo-Hygrometer: This new INKBIRD temperature and humidity detector has a large 3.8-inch LCD screen that clearly displays the current temperature and humidity, comfort level indicators, and the current time and date. Its two display modes, TH mode (mainly by temperature and humidity) and Time mode (mainly by time), are specially designed for different usage needs. You can also check the maximum and minimum values for the past 24 hours/48 hours/ALL times at any time. - Bluetooth 5.0 Connectivity: The ITH-21-B adopts advanced Bluetooth 5.0 technology, so you can control it with your smartphone and remotely monitor the indoor temperature and humidity changes at an obstacle-free distance of up to 70m/230ft. You can customize the temperature and humidity comfort ranges in the app according to your family's physical quality condition, to confirm whether the indoor temperature and humidity are comfortable or not. - High Measurement Accuracy: It is equipped with Swiss-made precision sensors from world-renowned Sensirion, which are more accurate, more stable and more reliable. Its temperature measurement accuracy reaches ±0.2°C (±0.36°F) in a wide temperature range of -20°C-60°C (-4°F~140°F) and humidity accuracy reaches ±2% in a humidity range of 0%RH-99%RH, making it a better choice than most temperature and humidity detectors on the market. - 2-Year History Storage & Export: The device itself can store up to 300 days of offline temperature and humidity data. The exact data capacity varies with the recording intervals, 1min/2min/5min/10min, which can be selected on the INKBIRD app. All data is automatically uploaded to the app via the Bluetooth connection and you can view 2 years of history on the app graph and export the required data to your computer via email for further study of indoor temperature and humidity. - 15+ Months Battery Life: With the two AA batteries supplied, this indoor temperature and humidity monitor can run for over 15 months at a time. There is no need for repeated recharging or frequent battery replacement, which is more convenient and environmentally friendly. The long battery life makes it suitable for continuous temperature and humidity monitoring in any indoor space such as bedrooms, offices, wine cellars, greenhouses, garages. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D66BH9V9 | | Battery Description | Alkaline | | Brand Name | Inkbird | | Color | White | | Country Of Origin | China | | Customer Reviews | 4.4 4.4 out of 5 stars (90) | | Included Components | INKBIRD Bluetooth Thermometer Hygrometer | | Item Length | 12 Centimeters | | Item Weight | 0.17 Kilograms | | Manufacturer | INKBIRD | | Model | ITH-21-B | | Mounting Type | Tabletop | | Number of Items | 1 | | Number of Packs | 1 | | Operating Humidity | 0% | | Part Number | ITH-21-B | | Temperature Accuracy | 0.2 | | Temperature Reading Accuracy | plus_minus_0_point_2_degrees_celsius | | Unit Count | 1.0 Count | | Upper Temperature Range | 140 Degrees Fahrenheit | | Voltage | 3 Volts (DC) | ## Product Details - **Battery description:** Alkaline - **Brand:** Inkbird - **Colour:** White - **Item weight:** 0.17 Kilograms - **Mounting type:** Tabletop ## Images ![INKBIRD Bluetooth Thermometer & Hygrometer ITH-21-B Temp/Humidity Monitor - Image 1](https://m.media-amazon.com/images/I/61TU0khXB4L.jpg) ## Available Options This product comes in different **Model** options. ## Frequently Bought Together - INKBIRD Bluetooth Smart Thermo-Hygrometer ITH-21-B Indoor Thermometer and Hygrometer 6-in-1 Temperature and Humidity Monitor with APP Control Custom Comfort Levels 2 Years History Export - Boveda Portable Travel 2-Way Humidity Resealable Bag – Waterproof & Dustproof - Preloaded with 69% RH Pack - Patented Technology - Large Storage For 60-80 Items – 1 Count - Boveda 65% Two-Way Humidity Control Pack For Aging & Long-Term Storage in Large Plastic & Wood Boxes – Size 320 – Single – Moisture Absorber – Humidifier Pack – Individually Wrapped Hydration Packet --- ## 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.co.th/products/650943227-inkbird-bluetooth-thermometer-and-hygrometer-ith-21-b-temp-humidity](https://www.desertcart.co.th/products/650943227-inkbird-bluetooth-thermometer-and-hygrometer-ith-21-b-temp-humidity) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-10*