electric alarm clock

Most electric alarm clocks include an alarm plus a snooze. Snooze intervals vary—common examples are 5, 8, and 9 minutes—and some models let you adjust the snooze length. Many clocks also offer dual-alarm capability so you can set two separate wake times.

Some models add special wake features: very loud alarms (examples cite up to 90 dB), ascending alarm volume that ramps up over time, and wake/“ok-to-wake” lights or built-in nightlight indicators to signal wake time.

Kid-focused clocks often include easy-to-read digit displays, simple snooze and alarm controls, adjustable brightness or warm white nightlight options, and wake/“ok-to-wake” indicator lights (often green) to help children know when it’s time to get up.

Volume options vary by model: some offer selectable high/low or multiple fixed volume settings (including 'super‑loud' alarms), while others use ascending alarms that start quietly and increase to a louder level.

Most results use LED time displays, with digit heights typically ranging from about 0.6" up to 1.8". At least one model uses an LCD display with roughly 1" tall digits.

Many clocks include adjustable brightness or dimmer controls—examples include high/low dimmer settings and models offering multiple (e.g., three) brightness levels so you can reduce glare at night.

Some alarm clocks include USB charging features—either a USB port or a built‑in phone charger. One listing specifies a 2‑amp USB charge port for device charging.