1. Wireless USB 2.0 Camera Receiver + PC Recording Software China Manufacturer Specifications Receiving Frequency: 4 Channels: 2.414GHz, 2.432GHz, 2.450GHz, 2.468GHz PAL and NTSC compatibility Demodulation Mode: FM Receiving Sensitivity: <-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 Minimum System Requirements for Software: -Microsoft Windows XP -512MB RAM -80GB HDD -Microsoft DirectX 9.0c -USB 2.0 -Sound card Manufacturer Ref:I387O6SKTNKD Product Notes 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. Recording to Analog source via AV out Stylish Black Design Package Contents Model CVSB-B007 User Manual Remote Control Driver-Software CD Power Adapter USB 2.0 Cable AV Cable (3.5mm to RCA with mono sound)