1. Introduction
Thank you for purchasing the SENXINGYAN Kids Alarm Clock, Model YXNZ. This device is designed to help children develop healthy sleep habits with its unique sun and moon display, sleep training features, night light, and soothing sounds. Please read this manual carefully to ensure proper use and optimal performance.
2. Safety Information
- Keep the device away from water and high humidity.
- Do not expose to extreme temperatures or direct sunlight.
- Use only the provided power cable or a compatible DC 5V/1A adapter.
- This product is not a toy. Adult supervision is recommended for young children.
- Avoid disassembling the device, as this may void the warranty and cause damage.
3. Package Contents
- SENXINGYAN Kids Alarm Clock (Model YXNZ)
- USB-C Power Cable
- User Manual
4. Product Overview
The SENXINGYAN Kids Alarm Clock features a large LED display and intuitive controls on the back. It is designed with a durable ABS and silicone casing, ensuring safety and longevity.

Figure 4.1: Rear panel controls and USB-C power input.
4.1. Controls and Ports
- Sun Button: Activates/deactivates sun display mode.
- Moon Button: Activates/deactivates moon display mode.
- SET Button: Enters setting mode for time, date, and alarms.
- A (Alarm) Button: Selects and adjusts alarm settings.
- OK Button: Confirms selections in setting mode.
- + (Set Plus) Button: Increases values or navigates options.
- - (Set Minus) Button: Decreases values or navigates options.
- Backlight Brightness Button: Adjusts display brightness.
- 12H/24H Button: Toggles between 12-hour and 24-hour time formats.
- M (Music) Button: Cycles through soothing sounds.
- USB-C Power Input (DC 5V/1A): For connecting the power cable.
- Speaker: Outputs alarm sounds and soothing melodies.
5. Setup
5.1. Power Connection
- Connect the provided USB-C power cable to the USB-C port on the back of the alarm clock.
- Plug the other end of the USB-C cable into a compatible USB power adapter (DC 5V/1A, not included) or a USB port.
- The display will light up, indicating the device is powered on.
The alarm clock includes a memory battery to save settings in case of a power outage.
6. Operating Instructions
6.1. Setting Time and Date
- Press the SET button to enter time setting mode. The hour digit will flash.
- Use the + and - buttons to adjust the hour.
- Press SET again to move to minute setting. Adjust with + and -.
- Continue pressing SET to cycle through year, month, and day settings, adjusting each with + and -.
- After setting the day, press SET or OK to exit the setting mode.
- To switch between 12-hour and 24-hour format, press the 12H/24H button.

Figure 6.1: Alarm clock display showing time, date, and day of the week.
6.2. Setting Alarms (Dual Alarm)
The clock supports two independent alarms.
- Press the A (Alarm) button to select Alarm 1 or Alarm 2. The alarm icon will flash.
- Press SET to enter alarm time setting. The hour digit will flash.
- Use + and - buttons to adjust the alarm hour.
- Press SET again to move to minute setting. Adjust with + and -.
- Press SET or OK to confirm and exit alarm setting.
- To enable/disable an alarm, press the A (Alarm) button repeatedly until the desired alarm icon appears/disappears on the display.
- When an alarm sounds, press any top button to activate snooze for 5 minutes. To turn off the alarm, press the OK button.
6.3. Sleep Trainer Function (Sun & Moon Display)
This feature uses visual cues to help children understand when it's time to wake up or go to sleep.
- Wake Up Time (Sun Display): Set a desired wake-up time. The display will show a sun and clouds during this period (e.g., 6:00 AM - 6:00 PM) to indicate it's time to be active.
- Sleep Time (Moon Display): Set a desired sleep time. The display will show a moon and stars during this period (e.g., 8:00 PM - 6:00 AM) to indicate it's time to rest.
Use the Sun Button and Moon Button to activate or deactivate these visual modes. Specific time ranges for these modes can be configured in the settings (refer to the full manual for detailed steps).

Figure 6.2: Visual cues for wake-up (sun) and sleep (moon) times.
6.4. Night Light and Brightness Adjustment
The alarm clock features a night light with 5 adjustable brightness levels.
- Press the Backlight Brightness button to cycle through the 5 brightness levels (0%, 25%, 50%, 75%, 100%).
- Select the desired brightness level for comfortable viewing or as a soothing night light.

Figure 6.3: The alarm clock's display brightness can be adjusted through 5 levels.
6.5. Soothing Sounds
The alarm clock includes several soothing sounds to aid in relaxation and sleep.
- Press the M (Music) button to cycle through the available soothing sounds.
- The clock offers 6 sleeping sounds, including white noise, cuckoo, music, piano music, nature sounds, and sound of waves.
- Press the M (Music) button again to stop the sound or select another.

Figure 6.4: The alarm clock offers 6 different soothing sounds for sleep.
7. Maintenance
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ensure the USB-C port is free of dust and debris.
- Store the alarm clock in a cool, dry place when not in use for extended periods.
8. Troubleshooting
- Device not powering on: Ensure the USB-C cable is securely connected to both the clock and a working power source (DC 5V/1A).
- Alarm not sounding: Verify that the alarm is enabled (alarm icon visible on display) and the volume is not set to zero.
- Incorrect Day of the Week: Some users have reported issues where the displayed day of the week does not match the set date and cannot be manually adjusted. If you encounter this problem, please ensure your date settings are correct. If the issue persists, it may indicate a software anomaly. Contact customer support for assistance.
- Display too dim/bright: Use the Backlight Brightness button to adjust the display intensity.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | SENXINGYAN |
| Model Number | YXNZ |
| Color | Sky Blue |
| Dimensions (L x W x H) | 12 x 3.81 x 12 cm (4.72 x 1.5 x 4.72 inches) |
| Weight | 290 grams (0.64 lbs) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Display Type | Digital LED |
| Power Source | Corded Electric (USB-C DC 5V/1A) |
| Special Features | Large display, Sleep Trainer, Adjustable Brightness, Calendar Display, Dual Alarm, Night Light, Soothing Sounds |
10. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact your retailer. Keep your purchase receipt as proof of purchase.