Model no. : ud1201 assembly time: install batteries high speed bearings: the whole car battery: include remote control distance: playing time: battery capacity: 7. 4v, 2000mah charger: include completion level: ready-to-run differential: two oil-filled gears drivetrain: four wheel drive drive type: forward/brake/reverse final drive ratio: front wheel track: 231mm power type: electric tooth pitch: bauchfreiheit: 40mm internal gear ratio: motor type: strong magnetic motor/brushless motor gear: product length: 408. 6mm product width: 283. 4mm product height: 174. 5mm product weight: 2. 03kg transmitter: include rear wheel track: 230. 8mm receiver: include scale: 1/12 servo: include speed controller: include spur gear: 38t suspension: independent truck type: stunt truck wheel base: 244. 8mm (udi-ud1201)