1,user-friendly and conveniently 2,8 channels 3,power :12V 150mA 4,range:3km( ... :analog AV signal input power supply voltage:6.5-15V supply current:200mA dimension: 55*26*17mmRC305receiving ... :SMA(Inside the needle) power supply voltage: 6.5-15V supply current: 150mA dimension: 61*52*13mm ... profiles)we supply2.4ghz ,5.8ghz,1.2ghz,1.5ghz,remote control transmitter and receiverpayment:TT,Western union ...