What is AVTECH EagleEyes-Plus ?If your remote device(DVR?NVR or IPCAM) not excess 4, use the lite+ free version maybe will suffice your requirement.If you need remote excess 4 devices or use time search feature and no more advertisement add on in APP, the plus version will be your best choice.The EagleEyes software for Android will fulfill all your remote surveillance desire through simply touch control on the phone screen. No matter where you are and what time it is, as long as your Android phone is able to connect to the internet, you will be able to directly access to AVTECH