Aleta S2C is a 360 degree camera that design exclusively for taking ultra high resolution 360 photo rapidly. It suits well to people who needs to capture outstanding panorama still images. (Including all details ) Aleta S2C is very convenience for...
A quadcopter or quadrotor is a type of helicopter with four rotors. The small size and low inertia of drones allow the use of a particularly simple flight control system, which has greatly increased the practicality of the small quadrotor.