Optional Accessories for Digital Model 959143: Data hold unit 959149: SPC cable with data switch (40” / 1m) 959150: SPC cable with data switch (80” / 2m) 05CZA624: SPC cable with data switch (40” / 1m) for IP67 model 05CZA625: SPC cable with data switch (80” / 2m) for IP67 model