Digital Projection Alarm Clocks for Bedrooms - Large LED Display, 180° Rotatable Projector, 5-Level Dimmer,USB Charger

The projection part has a dimmer switch with 5 levels, which can be adjusted to your preference. This is helpful for people who are sensitive to light at night and want to reduce the brightness of the bright projection shines on the ceiling.

The projection clock can be set two separate alarms for couples with different routines or a backup for waking up heavy sleepers. The snooze button is in a convenient central location to turn off alarm to get extra 9 mins sleep before alerting you again.

ultra-large display of the ceiling projection alarm clock enables you to easily view the time even across the room even with glasses off and perfectly for elders. You can dim the display if you are sensitive to light at night by repeatedly pressing "DIMMER" switch with 5 levels, which is also good for protect your eyes.

As an electric alarm clock,AC power(100-240V) is required for all functions work, 2 AAA batteries backup for time-setting & alarm-setting that you don't need to re-set time, and can trigger alarm in case of power outage.