... 1~1600KMPackage:8CH receiver,transmitter,2 antennas,TX cable,AV cableDigital play,8CHS transmitter,credibility,synchro transmitting AV ... transmitting equipment.1.2G 800mW Wireless AV transmitter's data:ModelFOX-800Working VoltageDC 12VWorking Ctrrent260mAOutput ... Effective Range800~1600metresPackage1transmitter,1antenna,TX cableOperation Temperature-10C~+50C 1.2G 1500mW Wireless AV transmitter