TQ™ 2.4 GHz radio system Installed water cooling system Waterproof electronics Sealed receiver box Nautica™ waterproof electronic speed control Waterproof steering servo Stinger™ 20-turn motor 4-amp USB-C fast charger 4-amp DC peak-detecting fast charger 7.2 V Power Cell™ NiMH battery with iD® Steerable outdrive Full-color factory-applied decals Traxxas High-Current Connector (patented) Built-in foam floatation Surface piercing propeller Direct drive 24″ deep-V hull Swimming pool size Includes boat stand Fully assembled, Ready-To-Drive® right out of the box MODEL 38104-8: Fully-assembled, Ready-To-Race®, with TQ™ 2.4 GHz radio system, Nautica™ waterproof electronic speed control, 7.2 V Power Cell™ NiMH battery with 4-amp USB-C Fast Charger, and 12-volt peak-detecting fast charger. BLAST (38104-1) SPECS Hull Type: ­ High performance modified "V" Dead Rise Angle: ­ 20° Hull Length: ­ 23.75 inches (603 mm) Beam: ­ 5.75 inches (146 mm) Weight: ­ 28 ounces (.793 kg) Draft: ­ 3.25 inches (83 mm) Speed Control Type: ­ Nautica™ waterproof ESC Charger: ­ 4-amp USB-C fast charger 4-amp 12-volt DC charger Battery: ­ Traxxas 6-cell NiMH battery with iD® Motor (electric): ­ Water-cooled 540 Stinger™ (20-turn) Drive System ­ Direct drive Outdrive ­ Adjustable surface-piercing Radio System ­ Traxxas TQ 2.4 GHz (2-channel) Skill Level ­ 1 ­