R/C Air & Sea Explorer 1) 4-channel scale model with multistage electricity volume shown on the transmitter panel. 2) suitable for flight in air, water and on land. 3) Basic and 3D actions available. 4) highly efficient brushless motor and Li-polymer power battery used. 5) mix controller for aileron and elevator. 6) Durable playing time: 25 Minutes 7) Contents: Unit, controller, charger, rechargeable battery for unit Packing Size: 76.5*52.5*54.5 CM Certificate: CE/ROHS