INKBIRD

Bluetooth Hygrometer Thermometer ITH-21-B

$32.99 USD $19.99 USD Save 39%

Code  20OFF21B Extra 20% off this item🔥🔥🔥

Shipping Info

Ships in 3 business days

Free shipping on all orders

Return & Warranty

Hassle-free returns service

30 days easy returns

1-year warranty

Shipping Fee

We offer free shipping on all orders.

 

Shipping Area

The products can be delivered to the most of states in the United States except Alaska, Hawaii, American Samoa, Micronesia, Guam, Marshall Islands, Northern Mariana Islands, Palau, Puerto Rico and U.S. Virgin Islands.

We also offer international shipping. For some countries and regions, we may charge a remote fee, which depends on the carrier's standards.

 

Shipping Origin

For US orders, we ship from our US warehouse or our factory in China, depending on stock availability. Please refer to the information provided on the product page for details.

For international orders, we will ship directly from our factory in China. All costs collected during the transportation are the sole responsibility of the customer.

 

Shipping Carrier

We will select the carrier based on your shipping address.

 

Delivery Estimate

The order will be processed and shipped within 1-3 working days. You will receive a confirmation email after the order is shipped.

For US orders, if shipped from a US warehouse, the shipping time will be 3-5 working days. For all other orders shipped from China, shipping time is 7-12 working days.

 

Kindly Remind

*If you need to make any changes to your order, please contact us before shipping.
*The recipient's assistance may be required during shipping for some orders. We will contact you as soon as possible after receiving the notification from the carrier, please pay attention to check our emails.
*After receiving the ready-to-delivery email, please keep your phone open. If delivery fails, you may need to contact your local post office for pickup. Of course, we will also email you the details after receiving the notification from the carrier.

*The return policy on this page applies to all items on Inkbird.com. If you have any questions, please contact service@inkbird.com.

 

Order Cancellation

If you need to cancel your order, please contact service@inkbird.com.

Order not shipped
There are no fees and you will receive a full refund.

The order has been shipped (subject to our system status, not the order status)
You need to bear the shipping cost. If the order cannot be intercepted, you need to send the package back in its original condition after receiving it. We will process the refund for you after receiving the package.

 

30-Day Hassle-Free Return Policy

  • You are eligible to return the item within 30 days of receipt.
  • All returned items must be disassembled and repackaged as they were originally received.
  • No restocking fee will be charged, but the customer is responsible for return shipping costs. If there are quality issues with the product, Inkbird will bear the return shipping costs.
  • We will issue the refund after receiving the package. Refunds will be credited back to the original account, and the processing time depends on the bank or service provider.

How to Return a Product

Step 1: Contact us via email with your return request.
Step 2: After receiving return authorization, please ship the package and contact us with the package tracking number.
Step 3: After receiving and inspecting the package, we will issue a refund within 3 working days.

Please note that return the product in the original packaging we provided and the product must be damage-free, as damage will void the refund.

 

Contact Info

Email: service@inkbird.com
Return Address: Floor 4nd East, Building 713, Pengji Industrial Zone, Shen Zhen, 518000 Guangdong, China

Description

New, Smart and Comfortable Living Experience Bluetooth Hygrometer Thermometer ITH-21-B

The new INKBIRD intelligent temperature and humidity detector ITH-21-B is equipped with an industrial-grade sensor from the Swiss manufacturer Sensirion, offering a high accuracy of ±0.36°C for temperature and ±2% for humidity. Its large 3.8-inch screen with customizable layout ensures that data readings are both clear and straightforward to interpret. The hygro-thermometer is capable of accurately monitoring the air conditions across various environments, including domestic settings such as the home, nursery, bedroom, office, and classroom. With a battery life of up to 15 months and a reliable structure, this thermometer and hygrometer promises years of dependable monitoring.

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

Highlights

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

Specifications

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

Compare with Others

View More View More
Model: ITH-21-B IBS-TH5-WIFI IBS-TH3-WIFI PLUS
WiFi: 2.4GHz
Bluetooth: BLE5.0
Data Display: Time, Date,
Day of the Week, Temp,
Humidity, Comfort
Time, Date,
Weather, Temp, Humidity,
Comfort, Environement
Temp, Humidity, Comfort
Battery: 2*AA batteries 2000mAh Li-ion 500mAh Li-ion
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 Years

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.