The Xenta Digital Wireless USB (Universal Serial Bus) receiver system is ideal for home or business use. With the supplied USB (Universal Serial Bus) dongle & software on CD making the unit easy to setup. With the supplier DC adapter the camera can be moved around easily & effortlessly but with the additional option to power the camera with 4 AA batteries the camera can be positioned pretty much anywhere in the home cutting the constraints of the mains power adapter. With the cameras multidirectional neck users can easily position this on a worktop or even on the wall to cover a room (screws & wallplugs provided for mounting). The package can also double up as a webcam to be used with MSN & Skype. Specifications 2.4 G Hz digital wireless Technology High definition & high frame rate Secure, privacy & interference free System expandable up to 4 cameras Camera with night vision & sound trigger Camera can be desktop stand or wall mounted USB (Universal Serial Bus) receiver can be connected to PC for live view with MSN & Skype Supports remote monitoring through internet Quad or single channel display Motion detection with adjustable sensitivity Manual, trigger & schedule recording or snapshot