Model 777-219 Quantity 1 Piece(s) per pack Color Green Material Plastic Channel 1 Channels Channel Specification Forward Gyroscope No Remote Type Radio Control Remote Control Frequency 40 Mhz Remote Control Range 10 meters Battery Capacity 80 mAh Battery Type Li-ion polymer battery Working Time 200 minutes (2~4 hours charging time) Remote Control Type Radio remote control (included) Remote Controller Battery 4 x AA batteries (not included) Packing List 1 x Submarine 1 x Remote controller 1 x Antenna 2 x Propellers 2 x Switch plugs 1 x Charge line 1 x English user manual