VATOS RC Helicopter Remote Controlled Helicopter Altitude Hobby Aeroplane with Batteries Gyro & LED Light 3.5 Channel Micro Mini Military Series Indoor Toy Gift for Boys Adults 【Start/Landing with a Key】This remote controlled helicopter is equipped with the latest gyroscope technology, no assembly required, you can easily play it with the 1-button start/lands and trim control to correct drifting and tilting. Altitude hold and non-interference function: the RC helicopter has an altitude hold function. With the advanced air pressure technology, it can automatically float at a certain height after starting, equipped with a 2.4 GHz remote control, it can deliver a stable signal and has an interference-free function to avoid signal interference when several helicopters fly together. Rechargea.