Nitrous Express Nitro R/C Nitrous System with 3ct 8 Gram N2O Bottles works by simply arming the mini-toggle switch, and at full throttle the system is activated. You won't believe the difference. You might be asking yourself why in the world you would put nitrous on an r/c vehicle. How about monster wheelies, tire shredding acceleration, blistering top speeds and the looks on your friends face when you take the body off? Complete with nitrous solenoid, 8-gram nitrous cartridge crusher, three 8-gram nitrous bottles, micro arming switch, micro WOT switch and 9 volt battery adapter. Available for most nitro powered boats, cars, trucks and airplanes.