Loud alarm: The alarm clock is very loud, you can't miss it - also perfect for deep sleepers. Easy to use with just two buttons for setting the time and alarm time. Silent - No annoying ticking, the sweeping second hand creates a quiet sleeping and working environment. Easy to read: 4 inch large dial, stereoscopic numerals, black and white dial has good contrast, so that the time can be read clearly and clearly. Night light function: comfortable lighting helps you read the time in the dark. Simply press the light button to activate the LED lighting of the dial. High quality: classic analogue alarm clock in retro design, beautiful look, really high-quality workmanship and it always runs precisely. Double Bell Alarm Clock: Classic double bell alarm clock, the retro alarm clock brings you back to the 80s. Loud alarm without snooze function: Very loud alarm, also wakes people in deep sleep. No snooze function, so you can have a good habit of getting out of bed on time in the morning. Night light function: A gentle backlight is convenient for reading the time at night or in the dark. Simply press the light button to activate the night light. Battery operated alarm clock: AA 1.5 V battery is recommended (not included). The design of the battery compartment is easy to replace the battery. Technical data: Alarm clock size: 4 inches Weight: 259 g Battery type: 1 x AA 1.5 V (not included) Operating voltage: >1.4 V Scope of application: living room, bedroom, kitchen, clinic, office, etc. Note: Please choose the suitable alkaline battery for use. Box contents: 1 x alarm clock