4GHz transmitter and 4 AA batteriesAssured for high quality and standardsOur prod The Velocity 800BL is propelled by brushless power that will have you flying across the water at adrenaline-pumping speeds of over 45MPH! This offshore rocket ship features a durable uni-body ABS hull that arrives pre-painted with a unique matte yellow finish and bright, bold graphics that combine to give the Velocity a fast, aggressive appearance.) waterproof servo, and even the AA batteries to power the transmitter. Rage RC RGRB1208 Velocity 800 BL Deep Vee RTR The Velocity 800 BL arrives 100% factory-assembled out of the box with a 2-channel, 2.