Wireless Outdoor Temperature Humidity Sensor – 433MHz Remote
Wireless Temperature & Humidity Remote Sensor for Weather Stations
Expand your weather monitoring setup with this compact, reliable wireless temperature and humidity sensor. Designed to work seamlessly as a remote transmitter for compatible weather station hosts, this sensor delivers accurate real-time readings from virtually any indoor or outdoor location — no wires, no fuss.
Please Note: This product is a remote sensor/transmitter only — it requires a compatible weather station host unit (sold separately) to display readings. It is not a standalone thermometer.
Key Features
- Wide Measurement Range: Monitors temperatures from -20°C to 70°C (-4°F to 158°F) and humidity levels from 20% to 95% RH
- High Accuracy: Temperature accuracy of ±1°C and humidity accuracy of ±5% for dependable, precise readings
- Fine Resolution: Temperature resolution of 0.1°C and humidity resolution of 1% for detailed monitoring
- Wireless 433 MHz Transmission: Sends data wirelessly so you can monitor conditions from a comfortable distance indoors
- Compact & Durable Design: Constructed from sturdy ABS + PC materials in a handheld form factor (105 × 40 × 35 mm), ideal for outdoor placement
- Battery Powered: Runs on 2 × AA batteries (not included), making placement flexible without the need for nearby outlets
Specifications
| Model | JYWDJ-009 |
| Material | ABS + PC |
| Wireless Frequency | 433 MHz |
| Temperature Range | -20°C to 70°C |
| Humidity Range | 20% – 95% RH |
| Temperature Accuracy | ±1°C |
| Humidity Accuracy | ±5% |
| Temperature Resolution | 0.1°C |
| Humidity Resolution | 1% |
| Power Source | 2 × AA Batteries (not included) |
| Dimensions | 105 × 40 × 35 mm (4.13 × 1.57 × 1.38 in) |
| Country of Origin | Made in China |
What's in the Box
- 1 × Wireless Temperature & Humidity Remote Sensor
Usage Tips
For best results, mount the sensor in a shaded, ventilated area away from direct sunlight, rain exposure, or heat sources. Keep it within the wireless range of your compatible weather station host unit. Accurate indoor humidity monitoring can also help you maintain a comfortable home environment — learn more about healthy indoor humidity levels from the U.S. Environmental Protection Agency (EPA).
Frequently Asked Questions
Q: Does this wireless temperature and humidity sensor work as a standalone device?
A: No — this sensor is a remote transmitter only. It must be paired with a compatible weather station host unit (sold separately) that receives and displays the wireless temperature and humidity data. Please confirm compatibility with your host station before purchasing.
Q: What wireless frequency does this sensor use?
A: This wireless sensor operates on a 433 MHz frequency, which is a common standard used by many weather station systems, offering a reliable transmission range for indoor/outdoor monitoring setups.
Q: Can I use this sensor outdoors year-round?
A: Yes — the sensor's temperature measurement range of -20°C to 70°C makes it suitable for a wide range of outdoor conditions. For longevity, place it in a sheltered, shaded spot to protect it from direct rain and harsh UV exposure.
Q: What batteries does this remote sensor require?
A: It requires 2 × AA batteries, which are not included in the package. Standard AA alkaline or rechargeable AA batteries will work.