video wireless box Transmission distance>10 meter FunctionsTransmit power output: 2.4GHz/10dBm(CE), Modulation: FM (video and audio), ... , Include patch antenna, Double-frequency channel choice, Use your for ipad own power, without plus batteries, High anti-interference, The ... can manualy select any one channel,wireless transmission is more steady.Application:Transmit frequency:2.4G HzAV(CVBS), L+R ...