How to Use: 1.Put batteries in the set into ship's battery compartment and plug in. 2.Put batteries into controller and start controller. 3.Press accelerator, then the ship will move forward. Specification: Item Type: Racing RC Boat Material: Plastic+Copper+Stainless Steel Hull Material: Plastic Color: Red and Black Ship Battery: 7.4V 1500mAh Lithium Battery with overcharge and over discharge protection (included) Charging Time: 200min Use Time Between Charges: 6-8min Controller Battery: 4 x 1.5AA (not included) Remote-controlled Distance: 100-150m/109.4-164yd Controller Frequency: 2.4G Function: Full speed forward/backward, turn left/right, special tilting prevention ability, low power alarm, speed up to 30KM/H, motor water cooling system, inbuilt navigation rudder, turning radius 2.5m/2.7yd. Age: For 14+ Weight: Approx. 1389g/3lb Package List: 1 x RC Ship 1 x Controller 1 x Compatible Batteries 1 x USB Stabilized Charger 1 x Bumper 1 x Spare Propeller 4 x Accessory 2 x Instruction Note: 1. Please allow 1‑3 mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.