General description The 4 Inch Twin Bell Loud Alarm Clock features a vintage design with a metal frame and a classic 3D dial. Its backlight function allows for easy reading of the time in low light conditions, making it practical and convenient for nighttime use. This alarm clock is perfect for adults, teens, children, and seniors, providing a reliable way to wake up without the need for a snooze button. Technical specifications Height: 16.5 cm Width: 11.4 cm (4.5 inches) Depth: 6.4 cm (2.5 inches) Clock face diameter: 10.5 cm Material: Metal, ABS, Glass Power: 1 AA battery (not included) Movement: High-quality smooth sweep quartz movement Installation Simply insert 1 AA battery to power the clock. Use the knob to set the current time and alarm time. Usage Activate the alarm settings with a simple on/off switch. Press the button to turn on the backlight for visibility in the dark. Ideal for use as a travel clock due to its battery operation. Other information Super loud siren sound