This unit has a 8 inch all terrain wheel and has bluetooth with LED kights also. Ride this unit anywhere not just the side walk or in the house.

Specs:

• UL Certified Hoverboard (UL 2272)
• Battery: 36V 4.4ah Lithium-Ion Battery
• Motor: 350W Hub Motor
• Max Speed: 6.2 mph (weight dependent)
• Charging Time: 2-3 hours
• Charging Voltage: AC 100V-240V
• Charger Included: Yes
• Wheel Size: 8.5 inches
• Box Weight: 35 lbs
• Product Size: 30"(L) x 11.5"(W) x 13"(H)
• Product Weight: 29 lbs
• Min Rider Weight: 50 lbs
• Max Rider Weight: 220 lbs