The TRE-01, which integrates the ESC and 2.4G receiver, is equipped as standard with a function that allows you to set two speeds according to your driving skills by operating the transmitter. Can be widely used as a radio for Tamiya's electric RC cars. Power supply : [transmitter] AA batteries x 4 (not included), [TRE-01].International Buyers - Please Note. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Control, Radio & Electronics\Receivers & Transmitters". The seller is "the_big_dipper_japan" and is located in this country: JP. This item can be shipped to United States.