Redcat Racing Caldera 3.0cc 2-Speed Nitro Monster Truck, Blue, 1/10 Scale This is a NITRO vehicle that requires nitro fuel, glow plug ignitor (recommended 80142a), Qty 12 - AA batteries and nitro vehicle experience is recommended 3.0cc (.16) NItro Engine with Pull Start 4 Wheel Drive with 2 - Speed Transmission without reverse 2.4GHz Radio Included - Run multiple vehicles at the same time For questions, troubleshooting, or warranty contact Redcat Racing at 602-454-6460