In addition, it is equipped with an ultra-lightweight humanoid arm, similar to a dexterous hand: 11 degrees of freedom with one hand, 1 kg holding force with both fingers, 430 g of self-weight, and terminal tactile sensing ability; ultra-lightweight humanoid robotic arm: 7 degrees of freedom, 0.05 mm repetitive positioning accuracy. Maximum single arm load (3 kg) robot arm's own weight (5 Kg self weight).