Huge 6.5-inch screen, clear and easy to read Jumbo Display: 6.5-inch high-definition LED display, time, date, alarm information at a glance, even from a distance or at night can be clearly viewed. High Contrast Numbers: with extra large font and high contrast display, suitable for poor eyesight or middle-aged and elderly people, you can read it quickly without getting close. NIGHTLIGHT/BACKLIGHT FUNCTION: Equipped with soft backlight or nightlight mode, you can easily check the time at night without switching on the light, avoiding blinding interference. Powerful alarm + vibration wake-up, double protection Ultra-high decibel ringtone: Built-in high-volume buzzer with a maximum volume of 100dB or more, penetrating to ensure that even heavy sleepers can be woken up. Progressive Volume: Alarm volume can be set for progressive enhancement, from soft to loud, to avoid the discomfort of sudden awakening. Powerful vibration function (optional): some models are equipped with bed vibration pads to assist waking up through physical vibration, especially suitable for users with back of ear or hearing impairment. Multiple wake-up modes, refuse to stay in bed Controllable snooze mode: 5-15 minutes adjustable snooze time is provided to meet the need for short-term re-sleeping, but the number of snooze times is limited (e.g. up to 3 times) to prevent unlimited bed-ridden. Maths questions/scanning code to turn off alarm: Innovative function requires completing simple maths questions or scanning QR code to turn off the alarm, forcing the brain to wake up, bidding farewell to turn off the alarm and continue to sleep. Combined wake-up mode: Support ringtone + vibration + light triple combination of wake-up, according to the needs of customised wake-up mode, to enhance the efficiency of wake-up.