... in-phase Unobstructive Effective Range:1~3 KMPackage:8CH receiver,transmitter,2 antennas,TX cable,AV cable,power supply1.2G 1500mW Wireless AV ... )73*41*14mmFigure ColorgoldenUnobstructive Effective Range1000~2500metresPackagetransmitter,1antenna,TX cable,transmitter’s power source.Operation Temperature-10C~+50C 1500mw 1.2G Wireless receiver