With its 113db extra-loud alarm, adjustable tone and volume ... Consider the power source of the clock. Some clocks are battery-powered, while others need to be plugged into an electrical outlet.

Its loud and annoying alarm is sure to get you out of bed, and its well-made metal casing ensures that it will last for years to come. The clock runs on a single AA battery, which can last up to 8 ...

Like many modern alarm clocks, this one also includes a battery backup in case of a power ... with customers citing they love the cute design and loud volume. It's also worth mentioning that ...

【Upgraded Big Screen Display】- Experience the luxury of a 5.5" High Resolution Digital Alarm Clock that spells out ... 【USB Charging Port and Battery Backup】- Conveniently charge your ...