(1). Diameter of main Aixs of revolution:33cm; (2). Weight:182.5g; (3). Size:37.5cm*34cm*17.5cm(L*W*H)(4). Model of motor:180*2 ;(5). Transmitter:Standard 3-channel infrared ray(8). Battery:7.2V 650mAh (Ni-Mh Battery)