Myo hand one degree freedom BE

Material : Aluminum
Weight : 0.28kg
Detail
1. 3 or 5 fingers are available.
2. actions of hand can be controlled by myoelectricity
3.Wrist joint can passively rotate.
4.Waterproof,anti-EMI(mobile,phone, etc) and two dimensions
function are optional
5.suitable for middle, short, long stump of forearm