Introduction
Thank you for purchasing the KWANWA Alarm Clock. This manual provides detailed instructions for setup, operation, and maintenance of your new alarm clock. Please read this manual thoroughly before use to ensure proper functionality and to extend the product's lifespan.
This KWANWA Alarm Clock features a large 1.8" LED display, adjustable brightness, battery operation, 12/24-hour format, and a snooze function. It is designed for clear visibility day and night, making it suitable for various users, including heavy sleepers and those with impaired vision.
Product Features
- Large LED Time Display: 1.8" tall red numbers for clear visibility.
- Adjustable Brightness: Three levels (high/middle/low) with automatic dimming in night mode (8:00 PM - 6:00 AM).
- Battery Operated: Requires 2 D size alkaline batteries (not included) for over 1 year of operation.
- Alarm Clock & Snooze Function: Easy alarm setting with 60-second ascending alarm volume and 7-minute snooze (repeatable up to 3 times).
- 12/24 Hour Format: User-selectable time display format.
Package Contents
- KWANWA Alarm Clock (Model: KW508SB)
- User Manual (this document)
Note: 2 D size alkaline batteries are required and not included in the package.
Setup
1. Battery Installation
- Locate the battery compartment on the back of the alarm clock.
- Open the battery compartment cover.
- Insert two (2) D size alkaline batteries, ensuring correct polarity (+ and -).
- Close the battery compartment cover securely.

Figure 1: Battery Installation. This image illustrates the open battery compartment on the back of the KWANWA alarm clock, with a visual cue for inserting two D-size alkaline batteries. The battery cover is shown detached.
2. Initial Power On
Once batteries are installed, the clock display will light up, and the time will typically default to 12:00 AM. You can now proceed to set the time and alarm.
Operating Instructions
1. Setting the Time
- Press and hold the "TIME SET" button for 2 seconds to enter time setting mode. The hour digits will flash.
- Press the "HOUR" button to adjust the hour. Press and hold for faster adjustment.
- Press the "MINUTE" button to adjust the minute. Press and hold for faster adjustment.
- To switch between 12-hour and 24-hour format, press the "12/24HR" button while in time setting mode.
- Press "TIME SET" again to confirm and exit time setting mode, or wait 10 seconds for it to exit automatically.

Figure 2: KWANWA Alarm Clock Display. This image shows the front of the KWANWA alarm clock with its large red LED display, indicating the time 12:43. The display is clear and easy to read.

Figure 3: 12-Hour and 24-Hour Display. This image displays two KWANWA alarm clocks side-by-side, one showing time in 24-hour format (22:43) and the other in 12-hour format (10:43), demonstrating the dual time display capability.
2. Setting the Alarm
- Press and hold the "ALARM SET" button for 2 seconds. The alarm hour digits will flash.
- Press the "HOUR" button to adjust the alarm hour.
- Press the "MINUTE" button to adjust the alarm minute.
- Press "ALARM SET" again to confirm and exit alarm setting mode.
- To activate or deactivate the alarm, press the "ALARM ON/OFF" button. An alarm icon will appear on the display when the alarm is active.
3. Snooze Function
When the alarm sounds, press the large "SNOOZE" button located on the top of the clock. The alarm will pause for 7 minutes and then sound again. This can be repeated up to 3 times.

Figure 4: Snooze Function and Alarm Volume. This image illustrates the snooze function, showing a hand reaching for the snooze button on the clock. It also depicts the alarm volume gradually increasing over 60 seconds, with a comparison of the clock display before and after snoozing.
4. Adjusting Display Brightness
The KWANWA Alarm Clock offers three levels of display brightness: High, Middle, and Low. To adjust the brightness:
- Press and hold the "TIME SET" button (or a dedicated brightness button if available, refer to physical buttons).
- Each press will cycle through the brightness levels.
- The clock also features an automatic night mode, which dims the display between 8:00 PM and 6:00 AM to conserve battery and reduce light disturbance.

Figure 5: Adjustable LED Brightness. This image demonstrates the three adjustable brightness levels of the KWANWA alarm clock's LED display: Dim, Medium, and Bright, allowing users to customize visibility according to their preference.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the clock's surface. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the display becomes dim or the clock stops functioning. Always use new D size alkaline batteries.
- Storage: If storing the clock for an extended period, remove the batteries to prevent leakage.
- Environment: Avoid exposing the clock to extreme temperatures, direct sunlight, or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Batteries are low or incorrectly installed. | Replace batteries with new D size alkaline batteries. Ensure correct polarity. |
| Alarm does not sound. | Alarm is not activated or set incorrectly. | Ensure the alarm is turned ON (alarm icon visible). Verify alarm time is set correctly. |
| Time is incorrect. | Time was not set properly or batteries were removed. | Re-set the current time following the "Setting the Time" instructions. |
| Snooze function not working. | Snooze button not pressed correctly or alarm cycle completed. | Ensure a firm press on the SNOOZE button. Note that snooze can only be repeated 3 times. |
Specifications
- Model: KW508SB
- Display Type: 1.8" LED Digital Display
- Power Source: 2 x D size Alkaline Batteries (not included)
- Product Dimensions: 7.6" (W) x 2.8" (H)
- Weight: Approximately 8.2 ounces
- Material: Plastic
- Color: Red LED Display (on black casing)
Warranty and Support
KWANWA products are designed for reliability and performance. For warranty information or technical support, please refer to the official KWANWA website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
For further assistance, you may visit the KWANWA Store on Amazon.




