Bingo-shop FS-GT2 3CH 2.4GHz 3 Channel Transmitter Receiver fr 1/8 1/10 RC CAR Boat 2.4G The Standard 2.4Ghz 3-Channel Receiver for RC car and boat . Compatible with FS 2.4Ghz Surface Transmitter, very easy to bind. modulation:GFSK power:5V DC(1.5AAA x 4)not included)