... used for wireless sharing of AV signals of DVD, DVR, CCD camera, Specification wireless AV transmitter 1,transmit av 2,VCD,DVD ... used for wireless sharing of AV signals of DVD, DVR, CCD camera, IPTV, satellite set-top box, digital TV set-top box ... suitable for large video meeting systems and multimedia class rooms3, wireless AV transmitter With an external CCD camera, it can realize real-time ...