Product Overview
The KESHIDE Digital Alarm Clock Model 210 is a battery-operated alarm clock featuring a large LCD display, indoor temperature reading, and a night light function. It is designed for ease of use in various settings such as bedrooms, offices, and for travel.

Image: KESHIDE Digital Alarm Clock, Pink variant, showing the front display.
Key Features:
- Multi-function Display: Shows hour, minutes, month, day, and year.
- 12/24 Hour Format: Selectable display format.
- Indoor Temperature: Displays temperature in °C or °F (range 0°C~50°C / 32°F~122°F).
- Night Light Function: Press the LIGHT button for a 5-second backlight or use the glow-in-the-dark sensor.
- Snooze Function: Provides an additional 5 minutes of sleep.
- Battery Operated: Requires 3 AAA batteries (not included).

Image: Icons illustrating key features: gradually faster alarm, calendar, temperature, backlight, snooze, one alarm setting, 12/24H clock, °C/°F switch.
Setup Instructions
1. Battery Installation
- Open the battery compartment cover located on the back of the clock.
- Insert 3 new AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
Video: This video demonstrates the battery installation process and basic clock functions like snooze and night light activation.
2. Identifying Controls
Familiarize yourself with the buttons and switches on the back of the clock:

Image: Rear view of the KESHIDE Digital Alarm Clock, showing the "AL.ON/AL.OFF" switch, "12/24 YEAR", "HOUR/MON", "MIN °C/°F" buttons, "SENSOR ON/OFF" switch, and "LOCK/AL.SET/DATE.SET/TIME.SET" slider.
- AL.ON / AL.OFF Switch: Turns the alarm on or off.
- 12/24 YEAR Button: Used to switch between 12-hour and 24-hour time formats, and to set the year.
- HOUR/MON Button: Used to set the hour and month.
- MIN °C/°F Button: Used to set the minute and switch between Celsius and Fahrenheit temperature display.
- SENSOR ON/OFF Switch: Activates or deactivates the automatic night light sensor.
- LOCK / AL.SET / DATE.SET / TIME.SET Slider: This slider is used to select the setting mode.
3. Setting Time and Date
- Slide the LOCK / AL.SET / DATE.SET / TIME.SET slider to TIME.SET.
- Press HOUR/MON to adjust the hour.
- Press MIN °C/°F to adjust the minute.
- Press 12/24 YEAR to switch between 12-hour (with AM/PM indicator) and 24-hour formats.
- While in TIME.SET mode, you can also set the year by pressing 12/24 YEAR repeatedly until the year flashes, then use HOUR/MON and MIN °C/°F to adjust.
- Slide the slider to DATE.SET to set the month and day. Use HOUR/MON for month and MIN °C/°F for day.
- Once done, slide the slider back to LOCK to save settings and prevent accidental changes.

Image: The clock display showing both 12-hour (Standard Time) and 24-hour (Military Time) formats, illustrating the switchable feature.
4. Setting the Alarm
- Slide the LOCK / AL.SET / DATE.SET / TIME.SET slider to AL.SET.
- Press HOUR/MON to adjust the alarm hour.
- Press MIN °C/°F to adjust the alarm minute.
- Once the desired alarm time is set, slide the slider back to LOCK.
- To activate the alarm, ensure the AL.ON / AL.OFF switch is in the AL.ON position. An alarm icon will appear on the display.
5. Temperature Unit Selection
In normal time display mode (slider set to LOCK), press the MIN °C/°F button to switch the temperature display between Celsius (°C) and Fahrenheit (°F).

Image: Close-up of the clock display highlighting the indoor temperature reading and the °C/°F switchable feature.
Operating Instructions
1. Snooze Function
When the alarm sounds, press the large SNOOZE/LIGHT button on the top of the clock. The alarm will temporarily stop and sound again after approximately 5 minutes. The alarm will continue to sound for 60 seconds with a gradually faster beep noise if not snoozed or turned off.
To cancel the snooze and turn off the alarm for the day, press any button on the back of the clock, or let the alarm ring for one minute without operation.

Image: The alarm clock on a bedside table, illustrating the snooze function with "Beep" sound waves and a sleeping child in the background.
2. Night Light / Backlight
- Manual Backlight: In any mode, press the SNOOZE/LIGHT button on the top of the clock to illuminate the screen for 5 seconds.
- Automatic Night Light (Sensor): Slide the SENSOR ON/OFF switch on the back of the clock to ON. The clock will automatically emit a soft glow in low-light conditions, allowing you to see the time clearly in the dark without pressing any buttons. Slide the switch to OFF to disable this feature.

Image: The alarm clock in a dimly lit room, demonstrating the night light feature with the "SENSOR ON/OFF" switch highlighted.
Maintenance
- Cleaning: Wipe the clock with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace all 3 AAA batteries when the display becomes dim or functions become erratic. Always use new batteries of the same type. Do not mix old and new batteries.
- Storage: If the clock will not be used for an extended period, remove the batteries to prevent leakage and damage.
- Environment: Avoid exposing the clock to extreme temperatures, direct sunlight, or high humidity.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is dim or blank. | Low or dead batteries. | Replace with 3 new AAA batteries. Ensure correct polarity. |
| Alarm does not sound. | Alarm is turned off or not set correctly. | Ensure the AL.ON / AL.OFF switch is in the AL.ON position. Verify alarm time is set correctly in AL.SET mode. |
| Night light (sensor) is not working. | Sensor switch is OFF or ambient light is too bright. | Ensure the SENSOR ON/OFF switch is in the ON position. Test in a darker environment. |
| Time is inaccurate. | Internal clock drift (common for battery-operated devices). | Reset the time periodically as needed. Consider replacing batteries if inaccuracy persists. |
| Cannot change settings. | Slider is in LOCK position. | Slide the LOCK / AL.SET / DATE.SET / TIME.SET slider to the appropriate setting mode (AL.SET, DATE.SET, or TIME.SET). |
Product Specifications
- Brand: KESHIDE
- Model Number: 210
- Display Type: LCD
- Power Source: 3 x AAA Batteries (not included)
- Product Dimensions: 6.7"W x 3"H (approximately 17cm W x 7.6cm H)
- Item Weight: 5.6 ounces (approximately 158 grams)
- Temperature Range: 0°C ~ 50°C (32°F ~ 122°F)
- Special Features: Alarm, Calendar Display, Temperature Display, LED Backlight, Large Display, Snooze
- Frame Material: Plastic
- Indoor/Outdoor Usage: Indoor

Image: The KESHIDE Digital Alarm Clock with labeled dimensions (Length 5.47 in, Height 3.03 in, Width 1.8 in).
Warranty and Support
For any problems or concerns regarding your KESHIDE Digital Alarm Clock, please contact KESHIDE customer support via the Amazon Platform. KESHIDE is committed to addressing customer issues even after the standard return window has closed.
For more information, visit the official KESHIDE store on Amazon: KESHIDE Store