... player 960*240 pixels 2.5TFT LCD Key Specifications/Special Features: PVR: Portable 2.4GHz 4-channel palm wireless ... lithium battery/at least last 5h playbackCamera: Frequency: 2.4GHz Image sensor: 1/3-inch CMOS Horizontal resolution: 380TVL ... block Transmission frequency: ISM 2,400 to 2,483MHz CH1=2,414MHz, CH2=2,432MHz CH3=2,450MHz, CH4=2,468MHz Sound modulation: 6 ...