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    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD
    Inkbird ITH-21-B Operation Guide

    INKBIRD US

    Higrómetro Termómetro Bluetooth ITH-21-B

    Promoção$19.99Preço normal $32.99
    Free Shipping $30+
    30-Day Easy Return
    1-Year Warranty
    Key Features
    • 6-in-1 Indoor Monitor: Temperature, humidity, time, and date on one screen
    • Bluetooth 5.0 Range: 230ft/70m open-area connection
    • Swiss Industrial-Grade Precision: ±0.36°F/±0.2°C for temperature, ±2% for humidity
    • 3.8‑Inch Large Display: Two viewing modes for different needs
    • Custom Comfort Range: Adjustable temp/humidity levels for sensitive groups
    • Storage Capacity: 300 days offline logging + 2-year cloud history with data export
    • Temp Alerts: High/low notifications via Bluetooth connection
    • Long Battery Life: 15+ months on included AA batteries
    Highlights
    Specs
    FAQ
    Reviews
     

    6-in-1 Thermo-Hygrometer with 3.8" LCD

    The large 3.8-inch LCD screen clearly displays current temperature and humidity, comfort level indicators, and current time and date. TH mode and Time mode for different needs.

    Remote Monitoring with Bluetooth 5.0

    Bluetooth 5.0 connectivity allows remote app monitoring of indoor temperature and humidity from up to 230ft/70m away. Comfort ranges can be set based on your family's needs for a healthy and safe living environment.

    High-Precision Swiss Sensirion Sensors

    Thanks to the Swiss-made sensors, this thermo-hygrometer is more accurate, more stable and more reliable than other temperature and humidity detectors on the market.

    2-Year History Storage & Export

    Store up to 300 days of offline temperature and humidity data. All data will be automatically synced with the app upon Bluetooth connection. 2 years of history can be viewed and exported from the app.

    15+ Months Battery Life

    With two supplied AA batteries, this indoor temperature and humidity monitor can run for over 15 months, making it ideal for continuous monitoring in any indoor space such as bedrooms, offices, and wine cellars.

    Product Overview

     

    Specs

    Model:

    ITH-21-B

    Dimension:
    3.82 x 2.56 x 1.02 inches / 97 x 65 x 26 mm
    Screen:
    3.8-inch LCD
    Sensor:
    Swiss Sensirion Industrial Grade
    Powered by:
    2 AA batteries (2500mAh)
    Battery Life:
    at least 15 months
    Bluetooth:
    BLE 5.0 (230ft/70m open distance)
    Temp Range:
    -4℉~140℉/

    -20℃~60℃
    Temp Accuracy:
    ±0.36°F / ±0.2℃
    Humidity Range:
    0~99 % RH
    Humidity Accuracy:
    ±2% (non-condensing)
    Sampling Time:
    3 seconds
    Recording Interval:
    1/2/5/10min (custom in the app)
    Max/Min Values Recording:
    24h/48h/ALL time
    Data Storage:
    Up to 300 days on-board data,

    2 years in-app data
    Package Contents:

    Thermometer Hygrometer ITH-21-B *1,

    AA Batteries *2, User Manual *1

    Show More
    Manual ITH-21-B >>

    Compare with Others

    Appearance:

    		 Bluetooth Hygrometer Thermometer ITH - 21 - B - INKBIRD WiFi Hygrometer Thermometer IBS - TH5 - WiFi - INKBIRD WiFi Hygrometer Thermometer IBS - TH3 WIFI PLUS - INKBIRD
    Model:

    ITH-21-B

    IBS-TH5-WIFI

    IBS-TH3-WIFI PLUS
    WiFi: x 2.4GHz x
    Bluetooth: Bluetooth 5.0 x x
    Data Display: Time, Date, Day of the Week, Temp, Humidity, Comfort Time, Date, Weather, Temp, Humidity, Comfort, Environment Temp, Humidity, Comfort
    Battery:  2*AA batteries 2000mAh Li-ion battery 500mAh Li-ion battery
    Screen: LCD eInk LCD
    Battery Life: 15 months 12 months 6 months
    Recording Interval: 1/2/5/10min 10/30/60min 10/30/60/120/180/240min
    Sampling Interval: 3 seconds 2 seconds 10 seconds
    Temp Range: -4℉~140℉/

    -20℃~60℃    		 32℉~122℉/

    0℃~50℃    		 32℉~122℉/

    0℃~50℃
    Temp Accuracy: ±0.36°F / ±0.2℃ ±0.36°F / ±0.2℃ ±0.5°F / ±0.3℃
    Humidity Range: 0~99 % RH 0~99 % RH 0~99 % RH
    In-App Data Storage:

    		 2 Years

    		 2 Years

    		 1 Year
     

    Frequently Asked Questions

    Can I set alarms for temperature and humidity on ITH-21-B?

    Yes, you can set both high and low alarms for temperature and humidity. If the device is connected via Bluetooth, the app will notify you when the readings exceed or fall below the set thresholds.

    Is the ITH-21-B waterproof?

    No, the ITH-21-B is not waterproof. This thermo-hygrometer is designed for indoor use only, and should not be exposed to water or other liquids.

    Does ITH-21-B require a gateway or hub?

    No, ITH-21-B connects directly to your smartphone app via Bluetooth 5.0.

    How do I export ITH-21-B recorded data?

    The ITH-21-B allows you to export up to 2 years of recorded data as a CSV file to your computer via email. Go to the 'History' tab, select the desired data, and tap on the 'Export' button.

    How does the ITH-21-B mount?

    The built-in mounting bracket allows for wall mounting or tabletop placement.