ADE CK2304
ADE CK2304 Digital Bathroom Clock User Manual
Model: CK2304
Introduction
This manual provides instructions for the setup, operation, maintenance, and troubleshooting of your ADE CK2304 Digital Bathroom Clock. This device features a hygrometer, thermometer, shower timer, countdown function, and a large LCD display, all within an IP65 waterproof design.

Image: Front view of the ADE CK2304 Digital Bathroom Clock, displaying time, date, temperature, and humidity readings on its large LCD screen.
Package Contents
Verify that all items are present in the package:
- ADE CK2304 Digital Bathroom Clock
- 2 x AAA Batteries
- Instruction Manual (this document)
Setup
1. Battery Installation
The device requires 2 x AAA batteries for operation. These are included in the package.
- Locate the battery compartment cover on the back of the clock.
- Open the battery compartment.
- Insert the 2 x AAA batteries, ensuring correct polarity (+ and -).
- Close the battery compartment cover securely to maintain IP65 waterproofing.

Image: Rear view of the ADE CK2304 Digital Bathroom Clock, highlighting the battery compartment and various mounting features like the suction cup and hanging eyelet.
2. Mounting Options
The ADE CK2304 offers flexible placement options:
- Wall Mounting (Suction Base): Press the rubberized suction base firmly against a clean, smooth, non-porous surface (e.g., tile, mirror, glass). Ensure the surface is dry for optimal adhesion.
- Hanging (Eyelet): Use the integrated hanging eyelet to suspend the clock from a hook or nail. (Hook/nail not included).
- Standing (Adjustable Base): Utilize the sturdy, adjustable base to place the clock on a flat surface, such as a countertop or shelf.

Image: The ADE CK2304 Digital Bathroom Clock securely attached to a bathroom wall using its suction cup mounting option.
Operating Instructions
1. Initial Power On and Display
Upon battery installation, the clock will power on and display the current time, date, temperature, and humidity. The large LCD display ensures readability.
2. Setting Time and Date
Refer to the buttons on the back or side of the device (specific button names are not provided in the input, so I'll use generic terms):
- Press and hold the "SET" button (or equivalent) until the time display flashes.
- Use the "UP" and "DOWN" buttons (or equivalent) to adjust the hour. Press "SET" to confirm.
- Repeat for minutes, year, month, and day.
- Press "SET" one last time to exit setting mode.
3. Using the Shower Timer / Countdown Function
The shower timer helps manage water consumption. The clock features a countdown function.
- Press the "TIMER" button (or equivalent) to activate the countdown function.
- Repeatedly press "TIMER" to cycle through preset countdown durations (e.g., 1 minute, 10 minutes, etc., as suggested by a review).
- Alternatively, press and hold "TIMER" to manually set a custom countdown duration using the "UP" and "DOWN" buttons.
- The countdown will begin automatically after selection or confirmation.
- An audible alert will sound when the timer reaches zero.
- Press any button to stop the alarm.
4. Temperature and Humidity Display
The clock continuously displays the current room temperature and humidity. It also includes a comfort zone indicator to help maintain an optimal indoor climate and prevent mold formation.
Maintenance
- Cleaning: Wipe the clock with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the display dims or the clock stops functioning. Ensure the battery compartment is sealed tightly after replacement to maintain waterproofing.
- Waterproofing: The device is IP65 waterproof, meaning it is protected against low-pressure water jets from any direction. Do not submerge the device in water. Ensure the battery compartment is always properly sealed.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Low or depleted batteries. | Replace with new AAA batteries, ensuring correct polarity. |
| Time/Date is incorrect. | Settings need adjustment. | Follow the "Setting Time and Date" instructions in the Operating section. |
| Suction cup does not hold. | Surface is dirty, wet, or porous. | Clean and dry the surface thoroughly. Ensure it is smooth and non-porous. |
| Temperature/Humidity readings seem inaccurate. | Device recently moved to a new environment; needs time to stabilize. | Allow 15-30 minutes for the sensors to adjust to the new environment. |
Specifications
- Model: CK2304
- Brand: ADE
- Display Type: Digital LCD
- Waterproof Rating: IP65 (Protected against low-pressure water jets)
- Functions: Time, Date, Temperature, Humidity, Shower Timer, Countdown Function, Comfort Zone Indicator
- Power Source: 2 x AAA Batteries (included)
- Product Dimensions: 9.2 cm (W) x 11.5 cm (H) x 2.3 cm (D)
- Item Weight: 207 Grams
- Mounting Options: Suction Base, Hanging Eyelet, Adjustable Stand
- Room Type: Bathroom
Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or the official ADE website. Keep your purchase receipt as proof of purchase.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.