Call device

Abstract

1. The name of the design product: elevator calling device. 2. The use of the design product: hall outside elevator calling. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: front view. 5. Other circumstances that need to be explained: use state figure 1 is upward elevator calling state, use state figure 2 is downward elevator calling state.

Images