LOAD CAPACITY : 80KG USER AGE: Adult. MOTOR CAPACITY: 24V/180W BATTERY CAPACITY: 12V/7AH CHARGING TIME: 7-8 hours TRANSMISSION SYSTEM: Strap or chain? Chain. MAXIMUM SPEED: 25KM MAXIMUM RANGE: less than :15KM/hour more than :17KM/hour DIAMETER OF TIRE: 12inch N.W: 24 KG G.W: 27.5 KG Big dolphin car(12inch PU),MEAS: 1.118*32*52.5CM Body of car size :125*480*1120MM Container:180PCS /20? ,349PCS /40?, 385PCS/40?HQ Small dolphin car(8inch PU) MEAS:92*22*35CM N.W：15.2KG G.W：16.6KG