Description
A new type of lock whose switch is controlled by sound.
Top quality of Voice lock Introduction on the show,AusToolGrind Expo.
A new type of lock whose switch is controlled by sound.
Top quality of Voice lock Introduction on the show,AusToolGrind Expo.
AusToolGrindExpo is an international hardware and tools expo, ranking as the fifth-largest grinding exhibition in the world. It will contribute to the advancement of Australian manufacturing.
