INKBIRD Bluetooth Thermo-Hygrometer: 6-in-1 Indoor Monitor
New, Smart and Comfortable Living Experience
The INKBIRD ITH-21-B is a smart hygrometer thermometer. It features an industrial-grade Sensirion sensor for ±0.36°C temperature and ±2% humidity accuracy. The 3.8-inch screen displays clear, customizable data. Ideal for homes, nurseries, offices, and classrooms. Enjoy reliable monitoring with a battery life of up to 15 months.
Key Features
·Equipped with a Swiss Sensirion sensor.
·Customizable layout on a 3.8-inch screen.
·Monitors air conditions in various environments.
·Offers years of dependable monitoring with a 15-month battery life.
·Includes APP control for custom comfort settings.
·Data export available for 2 years.
🔧 Perfect for Multiple Settings 🔧
Suitable for home, wine cellar, and greenhouse use. This thermometer and hygrometer provide a comprehensive solution for tracking indoor environmental conditions. Its reliability ensures continuous monitoring, enhancing your living experience with accurate, clear data.

Product Details
-6-in-1 indoor temperature and humidity monitor with time and date displayed
-Bluetooth 5.0 connectivity with 230ft/70m open connection distance
-Industrial grade precision sensors made by Swiss Sensirion, accurate and reliable
-±0.2℃(±0.36°F) high temperature measurement accuracy and ±2% humidity accuracy
-3.8 inches large LD with 2 ways to view different needs for use
-Display max and min values for past 24 hours / 48 hours / all time
-Custom temperature and humidity comfort level range, better for sensitive groups
-Up to 300 days offline data storage, varied with data recording intervals
- 2 Years of history can be viewed and exported from the app
-Receive high and low temperature alarm notifications under Bluetooth connection
- Last at least 15 months with the included AA batteries










Specifications
Model: ITH-21-B
Color: White
Unit Dimension: 97mm*65mm*26mm (3.82 *2.56 *1.02 inch)
Screen: 3.8 inches LCD
Powered By: 2 AA batteries (2500mAh)
Battery Life: at least 15 months
Bluetooth: BLE 5.0 (70m/230ft open distance)
Temperature Range: -20℃~60℃/-4℉~140℉
Temperature Accuracy: ±0.2℃ (±0.36°F)
Humidity Range: 0%RH-99%RH
Humidity Accuracy: ±2% (non-condensing)
Sampling Time: once every 3 seconds
Recording Interval: 1min/2min/5min/10min (custom in the app)
Max/Min Values Recording: 24 hours / 48 hours / ALL time
Temperature/Humidity Comfort Levels: custom range in the app
Data storage: up to 300 days on-board data, 2 years in-app data