Features: lUSB 2.0 output to PC lSupports Windows 98/Me/2000/XP lBundle with security software lImage capture, and high speed MPEG4 real-time recording lSupport MSN Messenger lBuilt-in microphone for audio monitoring lTiny size for discreet observation & portability l4 channels available to avoid possible interference lUp to 100m(330ft.) transmission range in open space