... palm wireless mobile AV camera & receiver MP3, MP4 player 960*240 pixels 2.5TFT LCD Key Specifications/Special Features: PVR: Portable ... MP3/MP4 and picture browse AV input recording function 2.5-inch TFT LCD display screen with high-definition ... block Transmission frequency: ISM 2,400 to 2,483MHz CH1=2,414MHz, CH2=2,432MHz CH3=2,450MHz, CH4=2,468MHz Sound modulation: 6. ...