It has an inbuilt speaker and mic that provides 2 way communications. Secure storage of image and video on cloud. Full High Definition/resolution 1080p small Spycam gives quality Images and videos at your smartphone (from an app -v380 pro) anywhere in the world. Its 130 degree wide angle camera lens covers more area. You can Replay the video in memory card or cloud storage by mobile client. Connectivity: It can be connected P2P, wifi, LAN Internet connect. This provides remote control like feature. It can be used without internet also. This is compatible with all smart mobile phones.