FLYING Elevator Door Encoder CIR-CODER-A Square/Round

Brand: FLYING Model No.: CIR-CODER-A, CIR-CODER-B1 Options: -Original Encoder (Round) /Original Encoder (Square)             -Alternative Encoder (Round) /Alternative Encoder (Square Version 1)/ Alternative Encoder (Square Version 2)                       -Original Belt Roller (For passenger elevators)/ Original Belt Roller (For freight elevators) *The red one is the original of FLYING, and the green one is the product alternative. *The small encoder can replace the bigger one.