Features: Waterproof: IPX-5 Cover Material: ABS+ PC Car Size: 58cm*17cm*18cm Car Height: 17cm Underpan Height: 3cm Pedal Height: 11cm Tire Type: Solid Specification: Navigation Distance: 20km Max. Speed: 12km/h Speed Limit Hint: Warning Sound + Rise Gradeability: 25° Max. Load Weight: 130kg Self Weight: 10.5kg Working Temperature: -40-70 ℃ Turn Radius: 0M Battery Type: Lithium Battery Battery Capacity: 4.4A Battery Voltage: 36V Power Indication: Led Light Full Charge Time: 2hours Charge Temperature:0-45 ℃ Over Charge Protection: Yes Charger: 90-240V 50-60Hz Website:http://www.sz2wheels.com