Scale: 1/27.6 Size: L164mm, W70.5mm, H48mm Battery Type: For Transmitter: AAA Alkaline Battery x4 (sold separately) / For Running: AAA Alkaline Battery or Nickel-metal hydride Battery x4 (sold separately) [Set Contents] -R/C unit built-in half completed chassis -Pre-painted & marked complete body -KT-19 2.4GHz transmitter -Front car width changing parts -Pinon gear (15T, 17T, 19T, 21T) -Spur gear -Spare nut -Wheel wrench -Pinion removing tool