---
product_id: 141644743
title: "Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility"
brand: "oregon scientific"
price: "12765 som"
currency: KGS
in_stock: true
reviews_count: 6
url: https://www.desertcart.kg/products/141644743-oregon-scientific-remote-sensor-thermometer-hygrometer-white-thgr-221-os
store_origin: KG
region: Kyrgyzstan
---

# 30m transmission range 433 MHz wireless frequency Temp range -20°C to +60°C Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility

**Brand:** oregon scientific
**Price:** 12765 som
**Availability:** ✅ In Stock

## Summary

> 🌡️ Stay ahead of the forecast—because your environment deserves precision.

## Quick Answers

- **What is this?** Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility by oregon scientific
- **How much does it cost?** 12765 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/141644743-oregon-scientific-remote-sensor-thermometer-hygrometer-white-thgr-221-os)

## Best For

- oregon scientific enthusiasts

## Why This Product

- Trusted oregon scientific brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Wireless Sync:** 433 MHz frequency ensures stable, interference-free data transmission up to 30 meters.
- • **Battery-Ready Convenience:** Includes 2 AAA batteries so you’re up and running right out of the box—no extra purchases needed.
- • **Plug & Play Compatibility:** Effortlessly pairs with multiple Oregon Scientific and professional weather stations for instant insights.
- • **Sleek, Lightweight Design:** Modern white finish and compact form factor blend perfectly into any professional or home environment.
- • **Precision Climate Tracking:** Monitor temperature from freezing cold to tropical heat with a wide -20°C to +60°C range.

## Overview

The Oregon Scientific THGR-221 remote sensor offers reliable temperature and humidity monitoring with a broad measurement range (-20°C to +60°C, 25%-95% humidity). Operating on a 433 MHz wireless frequency, it transmits data up to 30 meters to compatible weather stations, including professional models. Lightweight and battery-powered (2 AAA included), it’s designed for easy setup and seamless integration, making it an essential tool for precise environmental tracking.

## Description

Great prices on your favourite Gardening brands, and free delivery on eligible orders.

Review: Poor accuracy. - Thought this was an accurate product at first. However after 12 months use it isn't accurate. Definitely reads around 3 or 4 degrees higher than it actually is. Can't recommend this product...
Review: Great valve when I offer - I got this half price on offer direct from Smart Things (Oregon Scientific)’s desertcart Store. That’s great value. I note these are uglier, bulkier, lighter and look/feel way cheaper the the THGR810 they seem to replace. I am using these with RFXCOM (new pro firmware supports them, Domoticz and Homebridge so make great extra sensors. Way cheaper than buying HomeKit ones. I note only 3 channel but when using Domoticz doesn’t seem to matter as all use same frequency, they transmit a random unique identifier when powering up, so can’t see why any limit on non Oregon hardware, which itself of course needs the channel number to assign to its base stations.

## Features

- Temperature measurement range from -20°C to +60°C
- Humidity measurement range from 25% to 95% - Frequency 433 MHz
- Transmission range 30 meters in open spaces
- Batteries (2 x AAA) supplied - Compatible with BAR208X/206X, RAR502SX/502X, BAR800X, RGR126X stations, as well as professional stations (except WMR300)
- To connect the sensor to the weather station, insert the batteries into the weather sensor and choose the communication channel (1-2-3). Then, you have to insert the batteries into the weather station and the synchronization is carried out between the probe and the station.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M5TK4F1 |
| Are batteries included? | Yes |
| Brand | Oregon Scientific |
| Colour | white |
| Connectivity Technology | 433 MHz |
| Connectivity technology | 433 MHz |
| Customer Reviews | 3.5 out of 5 stars 221 Reviews |
| Display Type | LCD |
| Finish Type | smooth |
| Frequency | 433 MHz |
| Global Trade Identification Number | 04891475388979 |
| Included Components | Batteries (2 x AAA) |
| Item Shape | rectangular prism |
| Item Weight | 120 Grams |
| Item height | 5 centimetres |
| Manufacturer | Oregon |
| Material | Metal, Plastic |
| Number of Batteries | 2 AA batteries required. (included) |
| Number of batteries | 2 AA batteries required. (included) |
| Power Source | Aa,Battery Powered |
| Power source | Aa, Battery Powered |
| Sensor Technology | Wireless (RF) |
| Special Features | Lightweight |
| Special feature | Lightweight |
| Style Name | Modern |
| Temperature Accuracy | 1 °C |
| Upper Temperature Rating | 6E+1 Degrees Celsius |

## Product Details

- **Brand:** Oregon Scientific
- **Power source:** Aa,Battery Powered
- **Special feature:** Lightweight
- **Material:** Metal, Plastic
- **Connectivity technology:** 433 MHz
- **Number of batteries:** 2 AA batteries required. (included)
- **Style:** Modern
- **Colour:** white
- **Included components:** Batteries (2 x AAA)
- **Temperature accuracy:** 1 °C

## Images

![Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility - Image 1](https://m.media-amazon.com/images/I/61HjfDQjgxL.jpg)
![Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility - Image 2](https://m.media-amazon.com/images/I/61nUrxWWmVL.jpg)
![Oregon Scientific - Remote sensor/thermometer/hygrometer - white - THGR-221 - OS-MARS/OS-VENUS/OS-MOON/OS-ECLIPSE compatibility - Image 3](https://m.media-amazon.com/images/I/61qs2wfeLkL.jpg)

## Questions & Answers

**Q: Will this work as a replacement sensor for my WR80 base station?**
A: Hello.

It is a compatible model.

Regards,

Jacquie

**Q: will this work with the wmr86n**
A: From the Oregon Scientific website: Compatibility list: 

BAR208X
BAR206X
RAR502SX
RAR502X
BAR800X
RGR126X
WMR86NX
WMR86NSX
*It is only compatible with the above models. It is not compatible with the "non X" weather range.

**Q: is it compatible  with model bar 113**
A: No, this sensor is only suitable for a number of WMR weather stations and also the RAR502X and RAR502SX weather stations. As far as I can see, there is no longer a suitable sensor for the BAR113 station.

**Q: does this work with oregon scientific model bar629hgu?**
A: This sensor would not be suitable for use with the BAR629HGU unit. The suitable sensor would be the THGN132N which is the same model as the recently discontinued THGR122NX, but without a display.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Poor accuracy.
*by C***A on 24 May 2021*

Thought this was an accurate product at first. However after 12 months use it isn't accurate. Definitely reads around 3 or 4 degrees higher than it actually is. Can't recommend this product...

### ⭐⭐⭐⭐ Great valve when I offer
*by N***L on 30 April 2020*

I got this half price on offer direct from Smart Things (Oregon Scientific)’s Amazon Store. That’s great value. I note these are uglier, bulkier, lighter and look/feel way cheaper the the THGR810 they seem to replace. I am using these with RFXCOM (new pro firmware supports them, Domoticz and Homebridge so make great extra sensors. Way cheaper than buying HomeKit ones. I note only 3 channel but when using Domoticz doesn’t seem to matter as all use same frequency, they transmit a random unique identifier when powering up, so can’t see why any limit on non Oregon hardware, which itself of course needs the channel number to assign to its base stations.

### ⭐⭐⭐ Needs help.
*by G***M on 9 February 2020*

Took a little while to get right. Base unit kept losing signal, till I read the instructions and noted that the sender had to face in the direction of the base unit. Never had one that had to do that before. Once sorted it works well, but still loses its connection now and then Unit not as well waterproofed as earlier models, mine is in a home made shelter, I am going to put additional protection in and see how it goes

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-03-01*