1. Use SCM function; convenience to operate

2. Mask size: 72H×72W; 48H×48W; (for free selection)

3. Appear 4/8 digit counter; exact quantity are digits after the point.

4. Relay output have four output models(A. B. C. D)

5. Backup data for power fail; the data will be kept 10 years after the power fail