Wireless USB 2.0 Camera Receiver + PC Recording Software Receiving Frequency: 4 Channels: 2.414GHz, 2.432GHz, 2.450GHz, 2.468GHz. PAL and NTSC compatibility. Demodulation Mode: FM. Receiving Sensitivity: &lt;-85dBm. Antenna: 50ohm SMA. Range: Up to 100m in open space. Power Source: Wall Outlet. Channels Available: 4 wireless OR 1 AV In. Channel Scan and Channel Skip for multiple Cameras. Interface: USB 2.0 and AV OUT/IN. Compatible Computer Systems for Software: - Microsoft Windows 98SE, 2000, XP -512MB RAM -80GB HDD -Microsoft DirectX 9.0c -USB 2.0 -Sound card. Remote Control. Auto Detection. Powerful Software Solution: Record in real time to a computer's HDD in MPEG 4, Scheduled Recording, Motion Detection, Alarm, Automatic Space Management. SOFTWARE IS COMPATIBLE ONLY WITH WINDOWS 98SE, 2000, XP.. Recording to Analog source via AV out. Stylish Black Design. Package Contents; Model CVSB-B007. User Manual. Remote Control. CD(software and manual). Power Adapter. USB 2.0 Cable. AV Cable (3.5mm to RCA with mono sound).