how can i query an apple device's information？

hi，

i am a newcomer developer，i am now on a App project about the apple device，we think the corrct information of a device is vital， so our new App will ask user to enter the device id like ＂DLXFH......"，then comes the problem， how can our new App get the information of the device ，like produced time， memory size， ，，，，？any one replied？