codigo UID

I gained all my camra h6891w model works perfect, but I view image for Ipad\'ve downloaded an app called PnpCam H, a code called asking me where I can find the UID code. I have the android app and it works correctly but does not need the code, please if this is not the digamme App which is correct or set, thanks

dear sir, i am sorry,H6891W is normal ip camera, and the pnpcam H is for PNP ip camera,not normal ip camera