1,DIN Rail mounted power meter 2,6+1 or 5+2 LCD display 3,Remote ... and DIN43864.♦Three LED instructions power supply state,signal of energy impulse and communication state.♦There is a port of RS485 ... backlighting,may select with white backlighting,and there is maintenance-free battery, used for display when the power cut off.♦Multi ... according to your special requirements. DIN rail digital power meter