1.Specs selectable in accordance with usage! 2.High accuracy control possible Input sampling period is selectable via keypad from a choice of:25ms, 125ms, 250ms High accuracy control can be performed by selecting an optimal sampling period. 3. Setting via cable(seperate purchase) Input type and control action, etc. can be set from a PC, using a communicate cable(sold separately) and the provided console software. Customizable in accordance with various usages. There are other functions as follows. Reading and setting of the SV, PID values and various set values Reading of the PV and action status Function change 4. Energy, space saving Auto-light function Display brightness is controlled after measurement from the front light sensor. This saves energy when connecting multiple units Display-off function Display are turned off when operation does not occur for the time set during Indication time seting. PV,SV or no indication is selecatable during Display selection mode via keypad. 2ch, bur so compact! Improve your work efficiency No wiring is required when changing units as socket is used. Thus your working time can be shortened.