A perfect tech toy for both kids and adults in a fish tank baby bathtub or normal water tank. With cool 3 flash LEDs brings more fun in dark. Built-in 2 motors makes move fast in water; 1 meter waterproof underwater provides more safety for your toy. Model 219 Quantity 1 Piece(s) per pack Color Blue + Black Material ABS + Aluminum alloy Channel 2 Channels Channel Specification Forward / backward / left / right Gyroscope No Remote Type Radio Control Remote Control Frequency 49 MHz Remote Control Range 5 meters Battery Capacity 150 mAh Battery Type NiMH Charging Time 20 minutes Working Time 10 minutes Remote Control Type With Remote Controller Battery 4 x AA (1.5V / No included) Suitable Age > 5 years old Packing List 1 x R/C submarine 1 x Remote controller 1 x Antenna 1 x English user manual