PRODUCT INFORMATION: Transmitter specifications: Number of channels:6 Modeltype:fixed-wing/glider/helicopter Channel resolution:1024 steps Power supply:6V (1.5V AA*4) Low voltage warning:Icon blinks and alarm less than 4.2V Icon blinks and short alarm less than 4.0V No-operation warning: The transmitter will alarm if there is no operation more than one minute. An tenna length: 26 mm*2 (dual antenna) Color: Black Size: 174*89*190mm Weight:392g Certification:CE,FCC FS-iA6 specifications: Number of channels:6 Modeltype:fixed-wing/glider/helicopter RF receiver sensitivity:-105dBm Modulation:GFSK System type:AFHDS2A/AFHDS Channel resolution:1024 steps Bind port:yes Power port: yes(VCC) Power:4.0-6.5VDC Weight:6.4g Antenna length:26mm Size 40.4*21.1*7.35mm Color:black :Certification:CE,FCC Package total weight: 675.00 grams (incl. packaging) Package size: 12.00 x 23.00 x 25.00cm Factory description: Fly Sky FlySky FS-i6 2.4G 6CH AFHDS RC Transmitter With FS-iA6 Receiver Manufactured by Fly Sky Manufacturer number: FS/FS-i6+iA6