Feature: 1.Large Screen: The clock has an 8-inch LED display and uses big font, giving you a clear view even when you're several meters away. 2.Time/Date/Temperature Display: The LED alarm clock can show time, date and temperature. 3.Time Projection: It can project time on the wall or ceiling. Time projection supports two brightness levels and 180-degree rotation. High-brightness LED makes time projection clear at night. 4.Alarm Clock Function: The alarm can be set for any time. 5.Adjustable Brightness: Screen display allows 3 brightness levels, which you can adjust manually. 6.Power Memory: It can store alarm & brightness setting during a power cut. You do not need to reset it after it's on again. Note: The included for CR2032 battery only serves for power memory function, which is not power supply. The clock only works when it's plugged in. Specification: Type: LED Digital Clock Material: ABS USB Input: DC 5V Item Color: Black Display Color: white, green, multi-color (Optional) Size: approx. 19.6*3*6.5cm Projection Distance: 0.5-5 meters Time Format: 12H/24H Brightness Adjustment: 3 levels Battery: 1pc for CR2032 included Packing List: 1 * Clock 1*Data line 1 * User Manual 3 6.5cmProjection Distance: 0.5-5 metersTime Format: 12H/24HBrightness Adjustment: 3 levelsBattery: 1pc for CR2032 includedPacking List:1 Clock1 Data line1 User Manual