Key Specifications/Special Features Specifications: Dimensions: 24.5*7.5*12.3cm Weight: 600g Materials: rubber + ABS Wheel run speed: 155rpm Output power: 5W Battery: 3.6V, NiCd 1,300mAh/NiMH 2,100mAh Charger time: 5 hours (slow charger), 1.5 hour (quick charger) Run-times: ...