• The cylinder head is fully wrapped design, higher noise reduction, better insulation effect • Using 36-stage 27 head high temperature high power motor to dissipate heat quickly during use for long life and durability • Deluxe version of the muffler reduces noise during use • Control waterproof plug, new waterproof design protects control performance, more stable and longer life • Intelligent automatic throttle and accelerator, automatic throttle control, automatic conversion