Remote Digital Hygrometer Thermometer ITH-20R

$21.99 USD

Code  SUMMER15 15% Off Sitewide🔥🔥🔥

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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 If you have any questions, please contact


Order Cancellation

If you need to cancel your order, please contact

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

Return Address: Floor 4nd East, Building 713, Pengji Industrial Zone, Shen Zhen, 518000 Guangdong, China

Product Details

ITH-20R is suitable for households, guitar cases, greenhouses, offices, labs and etc.

The display has accurate, reliable temperature and humidity readings. The simple, visual LCD screen shows the current temperature and humidity.


 Main Features

External Probe: INKBIRD ITH-20R supports an external probe and we can put it into most kinds of liquid for temperature measuring, easy to measure, convenient, and more efficient.

Instant reading: INKBIRD ITH-20R supports instant reading and its transmission distance of the digital hygrometer is up to 300 feet with its data being updated in 10 seconds, which helps us monitor the humidity and the temperature instantly without checking the transmitter constantly and get ready for the weather changes.

LCD display screen: INKBIRD ITH-20R receiver adopts LCD display screen to show temperature and humidity and divides it into two parts, OUT shows the temperature and humidity reading of the transmitter, IN shows the temperature and humidity reading of the receiver. Besides, it applies comfort and user-friendly indicators, which makes it cosy and comfortable to use.

No reading confusion: INKBIRD ITH-20R supports both Celsius and Fahrenheit reading methods, we can switch them easily based on our reading habits, no more reading confusion anymore.

Two installation methods: We can place it on the desk or mount it on the wall based on our practical use contexts or our habits, which makes it more user-friendly and humanized.

Measuring range: receiver temperature measuring range is -20°C ~ 60°C (-4°F ~ 140°F); transmitter temperature measuring range is -40°C ~ 70°C (-40°F ~ 158°F ); external temperature probe measuring range is -50~125℃ (-58~257°F). Receiver and transmitter humidity measuring range is 10%~95%RH with its sampling period of 10 seconds, which makes it very suitable for households, guitar cases, greenhouses, offices, labs etc.

Out-of-the-box and super thin design: INKBIRD ITH-20R is designed for out-of-the-box with a super thin design, which makes it easy to use, easy to move, and easy to store.

 ITH-20R 1

Related Parameters:


Model: ITH-20R

Transmission Frequency: 433MHz

Transmission Distance: ≈300 Feet

Maximum Available Transmitters: 3

Power Supply: 2 AAA Batteries

Receiver Size: 75*64*21mm

Transmitter Size: 75*64*21mm

Temperature Measurement Range of the Receiver: -20~60℃ (-4~140°F)

Humidity Measurement Range of the Receiver: 10~95%

Temperature Measurement Range of the Transmitter: -40~70℃ (-40~158°F)

Humidity Measurement Range of the Transmitter: 10~95%

Temperature Measurement Range of the Transmitter Probe: -50~125℃ (-58~257°F)

Temperature Measurement Accuracy: ±1℃

Humidity Measurement Accuracy: ±5%

Sampling Time: 10 Seconds

Out of Range Display:HH.L or LL.L

Warranty: 12 Months


Package Contents:


ITH-20R 1 x Temperature and Humidity Monitor with 1 Transmitter:




External Probe*1

User Manual*1

Warranty Card*1



ITH-20R 1 x Temperature and Humidity Monitor with 3 Transmitter:




External Probe*3

User Manual*2

Warranty Card*2

Customer Reviews

Based on 18 reviews
Michael Kertzmann

Normal thermometer accuracy leaves to be desired better external sensor shows temperature 4-5 °C higher than it is bad, hoped for more accurate readings.

Adrien Hermann

An excellent thermometer. The readings are accurate. Long extension sensor cable. Temperature and humidity change shows instantly.

Molly Smith

Inserted batteries, everything works, performs its functions.

Kiley Aufderhar

Inaccurate measurement

Genevieve Thompson

Very beautiful appearance. The exact indication is verified!!! Fast delivery!!!