This digital clock can project the time onto the wall or ceiling, so sleepers ' have to roll over when checking it. The arm can swivel 180 degrees for positioning, a fine. Furthermore, you can adjust the brightness of primary display whenever needed. This digital clock comes with a 3-level brightness dimmer to finding an optimal setting for your sleeping sessions. This particular projecting alarm clock for bedrooms comes with a buzzer volume, friendly for heavy sleepers who ' used to the sudden loud sound. And pressing the big SNOOZE button at the top, you can extra precious 9 minutes of sleep till the loop of this alarm. The device is also fitted with convenient additional features which is a unique battery system. This one is vital because it can retain all even after a power outage, and can be used for about 2 years. This product with an adapter to use, NO battery power. Sleek and design, packed in a beautiful gift. A great to show your care, and an unusual to . This digital alarm clock is a perfect gift for everyone, no matter for the or the young, men or women, boy or . Also suitable for any like birthdays, Christmas, 's Day, Father's Day, Mother's Day, etc. Style: Red USB Input: DC 5V Projection Distance: 0.5-5m Hour : 12H/ 24H Power Type: USB Battery: 2032 button cell (Battery not included) Material: ABS colour: As shown Package Contents: 1 x alarm clock 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.