KALEVOL EM3383B
KALEVOL Weather Station Wireless Indoor Outdoor Thermometer User Manual
Model: EM3383B
Your comprehensive guide to setting up, operating, and maintaining your KALEVOL Weather Station.
1. Setup Guide
1.1 Unpacking
Carefully remove all components from the packaging. Please ensure all items are present:
- Weather Station Main Unit
- Remote Sensor (x1)
- User Manual
Note: While the standard package includes one remote sensor, the KALEVOL Weather Station supports up to three wireless remote sensors for monitoring multiple locations simultaneously.
1.2 Powering the Main Unit
The main unit can be powered by batteries or a DC adapter.
- Battery Power: Insert 2 x LR6 AA batteries into the battery compartment on the back of the main unit, observing polarity.
- Mains Power: Connect the DC5V 1.2A mains adapter to the power port on the main unit and plug it into a wall outlet.
Using the mains adapter is recommended for continuous backlight display and optimal performance.
1.3 Sensor Installation and Synchronization
The wireless remote sensor transmits temperature and humidity data to the main unit. Follow these steps for proper setup:
- Insert Batteries: Open the battery compartment of the remote sensor and insert 2 x AA batteries, ensuring correct polarity.
- Select Channel: On the remote sensor, select a channel (1, 2, or 3) using the channel switch. If using multiple sensors, assign a unique channel to each.
- Initial Placement: For initial synchronization, place the remote sensor(s) next to the main unit.
- Power On: Power on the main unit. It will automatically begin searching for sensor signals. The sensor may take up to 3 minutes to connect.
- Manual Signal Reception: You can press the "Sensor" button on the main unit to actively initiate signal reception.
- Verify Connection: Once connected, the sensor's temperature, humidity, and assigned channel will be displayed on the main unit.
- Optimal Placement: After successful connection, place the remote sensor in your desired outdoor or indoor location within the 200 feet (60 meters) transmission range in an open area. Avoid direct sunlight and rain for outdoor sensors.

Image Description: This image displays the KALEVOL weather station main unit alongside three wireless remote sensors. The main unit features a large, colorful LCD display showing time, indoor temperature and humidity, and readings from three distinct outdoor/remote channels labeled "GARAGE", "BABY", and "KITCHEN". Above the main unit, three separate scenes illustrate potential sensor placement locations: a backyard (CH1), a baby's room (CH2), and a greenhouse (CH3), emphasizing the product's versatility for monitoring different environments. The text "3 Remote Sensors For Different Places" and "Transmission range: 200ft/60m" highlights the multi-sensor capability and range.

Image Description: This image shows the KALEVOL weather station main unit with its vibrant, multi-segment LCD display, accompanied by three wireless remote sensors. The main unit's display clearly shows the time (23:45), date (30-7 SAT), indoor temperature (88.9°F) and humidity (60%), and readings from three remote channels (85.1°F/77%, 83.8°F/81%, 83.4°F/82%) labeled "INDOOR", "GARAGE", "BABY", and "KITCHEN". A weather forecast icon (sun and clouds) and barometric pressure (1025 mb/hPa) are also visible. The three compact remote sensors are positioned to the right and below the main unit, illustrating the complete system.
2. Operating Instructions
2.1 Display Overview
The large digital LCD display provides comprehensive weather and time information at a glance. It measures 6.3 inches in length and 4.5 inches in width, offering an excellent reading angle.

Image Description: This image highlights the "LRAGE DIGITAL DISPLAY MULTI-FUNCTION WEATHER STATION" of the KALEVOL unit. The main display shows time (23:45), date (30-7 SAT), indoor temperature (88.9°F) and humidity (60%), and three remote sensor readings (85.1°F/77%, 83.8°F/81%, 83.4°F/82%) with custom labels. On the right side, a list of key features is presented with icons: Wireless Remote sensor (60m range), Temperature and Humidity, Weather forecasting function, Radio-controlled time function, Calendar, °C/°F support, Temperature alert, and Snooze Function. Dimensions of 6.3 inches (length) and 4.5 inches (width) are overlaid on the image.
The display is organized into sections for easy readability:
- Time & Date: Displays current time (12/24 hour format) and calendar.
- Indoor Conditions: Shows indoor temperature (32℉-122℉ / 0℃-50℃) and humidity (20%RH-95%RH).
- Outdoor/Remote Conditions: Displays temperature (-4℉-140℉ / -20℃-60℃) and humidity from up to three remote sensors.
- Weather Forecast: Icons indicating predicted weather for the next 12 hours.
- Barometric Pressure: Current barometric pressure (17.72inHg-32.50inHg / 600hPa/mb-1100hPa/mb).
- Moon Phase: Indicates the current moon phase.
2.2 Time and Date Setting (WWVB Radio Control)
The weather station features a WWVB Radio control time function for automatic time calibration.
- Automatic Calibration: The unit will automatically search for WWVB signals to set the time. This may take some time upon initial setup.
- Manual Setting: If automatic calibration is not desired or signal is weak, you can manually set the time and date using the buttons on the unit. Refer to the specific button functions on your device for detailed steps.

Image Description: This image illustrates the "Automatic & Manual Time Calibration Function" of the KALEVOL weather station. The top part shows a user manually calibrating the time on the weather station, which is placed on a coffee table. The bottom part shows another user working on a laptop, with the weather station nearby, indicating automatic calibration in progress, symbolized by Wi-Fi-like signals emanating from the device. Both scenarios show the weather station displaying time, temperature, and weather forecast.
2.3 Temperature and Humidity Monitoring
The station monitors indoor temperature and humidity, along with up to three remote locations.
- Indoor Readings: The main unit displays the temperature and humidity of its immediate environment.
- Remote Readings: Data from connected remote sensors (channels 1, 2, 3) are shown in their respective sections on the display.
- Comfort Indicator: A comfort level icon (e.g., smiling face) may indicate whether the indoor environment is comfortable based on temperature and humidity levels.
- Temperature Alert: The unit supports temperature alerts, allowing you to set thresholds for indoor or outdoor temperatures.

Image Description: This image shows a family (two adults and two children) gathered around a coffee table, with the KALEVOL weather station prominently displayed. The weather station's screen is visible, showing time, indoor temperature and humidity, and readings from three remote sensors, along with a weather forecast. A "COM" (Comfort) icon, depicted as a smiling face, is highlighted on the display, indicating the indoor comfort level. The image emphasizes the station's ability to "Indicates Indoor and outdoor Comfort" and its integration into a family living space.

Image Description: This image focuses on the "CUSTOMIZE YOUR EXCLUSIVE LABELS" feature of the KALEVOL weather station. The main unit's display shows readings for "INDOOR", "GARAGE", "BABY", and "KITCHEN", indicating that users can label each sensor's location. Below the main unit, six smaller images depict various locations where sensors might be placed: Children's Angle, Living Room, Garden, Baby Room, and Garage, demonstrating the versatility of monitoring different areas of a home or property.
2.4 Weather Forecasting Function
The weather station calculates and displays a weather forecast for the next 12 hours based on monitored temperature, humidity, and barometric index changes. This function helps you plan activities in advance.
2.5 Daily Alarm and Snooze Function
The unit includes a daily alarm function with an automatic snooze feature.
- Setting Alarm: Refer to the user manual for specific button presses to set the daily alarm time.
- Snooze: When the alarm sounds, press the "Light/SNZ" button to activate the snooze function.

Image Description: This image highlights the "Dual Alarm" feature of the KALEVOL weather station, promoting a "Develop a Healthy Lifestyle." The top part shows a person waking up in bed, with the weather station on a nightstand displaying "Wake up time" (9:00). The bottom part shows a person using a tablet in bed, with the weather station on the nightstand displaying "Sleeping time" (23:45). This illustrates how the dual alarm can be used for both waking up and signaling bedtime.
2.6 Backlight Operation
When powered by batteries, the screen backlight will illuminate for 15 seconds when the "Light/SNZ" button on top of the device is pressed. This conserves power. When powered by the mains adapter, the backlight can be set to remain continuously on.
3. Maintenance
3.1 Cleaning
To clean the weather station and sensors, use a soft, damp cloth. Do not use abrasive cleaners or solvents, as these may damage the display or casing. Ensure the devices are dry before re-inserting batteries or reconnecting power.
3.2 Battery Replacement
Replace batteries in the main unit and remote sensors when the low battery indicator appears on the display or when performance degrades.
- Main Unit: Replace 2 x LR6 AA batteries.
- Remote Sensor: Replace 2 x AA batteries.
Always replace all batteries in a device at the same time with new ones of the same type.
4. Troubleshooting
If you encounter issues with your KALEVOL Weather Station, please refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Sensor Not Working / No Reading |
|
| Inaccurate Readings |
|
| Display is Dim or Blank |
|
| Time Not Synchronizing (Atomic Clock) |
|
5. Product Specifications
| Feature | Detail |
|---|---|
| Model Number | EM3383B |
| Brand | KALEVOL |
| Product Dimensions (Main Unit) | 6.89"D x 5.24"W x 3.46"H |
| Weight | 1.08 Pounds |
| Indoor Temperature Range | 32℉-122℉ (0℃-50℃) |
| Outdoor Temperature Range | -4℉-140℉ (-20℃-60℃) |
| Humidity Range | 20%RH-95%RH |
| Barometric Range | 17.72inHg-32.50inHg (600hPa/mb-1100hPa/mb) |
| Wireless Transmission Frequency | 433.92MHz RF |
| Wireless Transmission Range | 200 feet (60 meters) in an open area |
| Number of Remote Sensors Supported | Up to 3 (one included) |
| Power Source (Main Unit) | 2*LR6 AA Batteries or DC5V 1.2A Mains Adapter |
| Power Source (Remote Sensor) | 2*AA Batteries |
| Special Features | Large Display with Color Partition Stickers, Thermometer, Humidity Monitor, Alarm, Clock, WWVB Radio Control Time, Moon Phase, USB Port for charging mobile devices |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
6. Warranty and Support
KALEVOL is committed to providing high-quality products and customer satisfaction. For any questions, technical assistance, or warranty inquiries regarding your weather station, please contact KALEVOL customer support.
You can often find support information and contact details on the official KALEVOL brand store or through the retailer where you purchased the product.
Visit the official KALEVOL Store for more information: KALEVOL Store on Amazon
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