1.we are factory,copmply CE&ROHS. 2.LED calendar show the time,date,tempriture,and have a clock . 3.best price,best quality. 1.four led color love star sky projection when natural music automatic plays,the sound is ajustable, and it will automaticpower off after one hour.2.power supply:3AAA battery, USB cable or 4.5V adaptor power supply. USB cable included. baby educational toys