Descriptions: Item type:Alarm Clock Color: White,Black Material: ABS. Size: 18.5*9*4.5 cm/7.28*3.54*1.77 inch. Weight: 300g. Volume: 0 To 15 Adjustable. Temperature Display, Temperature Measurement Range: 0 ℃ ~ 50 ℃ Error: Plus Or Minus 1 ℃. Humidity Display, Humidity Measurement Range: 20% 95% Error: Plus Or Minus 5%. Power Supply: DC5V Power Supply. Package included: 1 * Alarm Clock Note: 1. 1 inch=2.54cm/1cm≈0.393inch. 2. Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind before you bid. 3.Due to factors such as screen and shooting environment, the color may be a slightly different from the picture. Thanks for your understanding. This Clock cna be used as a alarm clock and a radio. Our Bedroom Clock can set the traditional tick-tock alarm or set the radio as the alarm clock tone The Alarm Clock radio band FM76MHZ--108MHZ that it can be used in most places of the world The Projection Alarm Clock has a large LED display screen, the brightness can be manually adjusted, the adjustment level is: off, slightly bright, medium bright and highlight. It can also be automatically dimmed The Digital Clock adopts acrylic surface, which can be used as a mirror after special treatment.High-definition red projection, can rotate 180 degrees, capable distance 5 meter The built-in a 2032 button battery, after the power outage of the external power supply, can keep the product setting unchanged and the time running normally, without having to set it repeatedly after the power outage