Which one is better, Motoka S2 or Mountain Dog?

Motoka S2 and Mountain Dog, Mountain Dog is easy to use. The Mountain Dog is cheap, has good operation feel, and has high cost performance. The Moto Ka s2 is expensive, has poor performance, and has low cost performance. The Mountain Dog is equipped with anti-shake, cycle camera, night vision function, and time-lapse photography. The Moto Ka s2 battery consumes too much. Fast and short battery life. So MotoGa S2 and Mountain Dog, Mountain Dog is easy to use.