REMOTE CONTROLLED BOAT ---2 PACK RC Boat Remote Control Boats for Kids/Adults Equipped with 4 x Rechargeable Batteries，2 x Remote Control，2 x USB Charging Cable，2 x User Manual，2 x Screwdriver,Best Gift for Kids & Adults.（Please put the boat on the water before turn on the controller.they have to be in water to work.） HIGH SPEED RC BOAT--- High-speed Remote Control Boats Races Across the Water Up to 10 mph. This RC Boats Equipped with a 4-Channel 2.4 GHz Remote with a 40-50 Meter Signal Range. The engine will only start when the water is detected which protect the engine and prolong its life. LONG PLAYING TIME---The RC Boat uses 3.7V 650mAh rechargeable battery with USB cable,2*1.5V AA batteries(Not included)for rc controller,15 - 20 mins playing time, 1.5 hours Charging time . EASY TO CONTROL---High-speed RC Boats are Easy for Little Hands to Hold and for Them to Learn how to Control the Boat Turn Left/Right/Forward/With a 2.4 GHz Remote Control is Easy to Control the Boat. BEST GIFT FOR ADULTS/KIDS---This Fast Racing Boats with perfect packing which are great present as a Birthday,Christmas,New Year Gift with ABS plastic more safe and durable for Boys/Girls.