General description The Retro Metal Bell Alarm Clock features a classic design that adds charm to any room. It is designed for quiet operation, making it perfect for light sleepers, while still providing a super loud ringtone to ensure you wake up on time. Technical specifications Color: Random Size: 10 x 5.5 x 17 cm Power supply: 1 AA battery (not included) Installation Open the battery cover and install one (or two) AA batteries according to the positive and negative indications. Adjust the time using the time adjustment knob. Set the alarm by turning the knob to the desired time. Activate the alarm by turning the alarm switch to "ON". To deactivate the alarm, turn the switch to "OFF". Usage Press the button on the back of the clock to illuminate the display for easy reading at night. Replace the battery promptly if the time is incorrect or the ringtone fades to prevent leakage and damage to the clock.