DZT1968&reg; 7 LED Color Temperature Change Pyramid Digital Alarm Clock The Main backlight LED Color: Red, Green, Blue, Purple This alarm clock can automatically change into multi-color circularly Dimension (L x W x H): 10.3 x 10.3 x 10.3cm Normal Mode: Normally display time, date, temperature Package Include:1 xAlarm Clock(Power Supply: 3 x AAA battery (not included))+1 x User's Manual