1,DIN Rail mounted power meter 2,6+1 or 5+2 LCD display 3,Remote ... standard DIN EN50022,or front board setting (mounting holes center distance 63 mm), users can choose any one by themselves.♦Four ... backlighting,may select with white backlighting,and there is maintenance-free battery, used for display when the power cut off.♦Multi ... make according to your special requirements. DIN rail digital power meter