Search query: wind up clocks without battery

Product: Digital Alarm Clock, with 5.5" Large LED Time Display, Adjustable Alarm Volume, 6 Level Brightness, Alarm Settings, USB Charger, Temperature Detect, Snooze, Clocks for Bedroom, Bedside, Desk, Black
Brand: JALL
Relevance: Substitute
Digital Alarm Clock, with 5.5" Large LED Time Display, Adjustable Alarm Volume, 6 Level Brightness, USB Charger, Alarm Settings, Temperature Detect, Snooze
【Big Screen Display】- 5.5" High Resolution Digital Alarm Clock clearly spells out the time, date, temp. Illuminated LED digits ensure it's clear enough to see the time in the distance.
【Adjustable Alarm Brightness】- 6 Brightness Levels from 5% to 100%, no need to worry about the brightness is too high to affect your sleep or too dark to read the time.
【Adjustable Alarm Volume】- Adjustable Alarm Volume with 8 sounds can be set from 30-90 DP as person preference. Easy snooze with a simple press of the top button to get an extra 9-mins nap.
【Easy operate】- It is an easy operated alarm clock with features large clear display, 12-hour / 24-hour, indoor temperature, easy for kids, seniors and the elderly, experience zero stress when setting the time and alarm.
【USB Chargering Ports & Battery Backup】- USB charging ports can charge cellphones, tablets or other 5v electronics. The 3 * AAA batteries ( ******** not included ******** ) can preserve time and alarm settings in case of power outage. In battery operated mode, the clock will automatically turn on power saving mode, the screen will go blank until you press any button of it.