LUTRON PANEL METER(ACV), 3 1/2 digitsModel : DR-99ACV* 199.9 ACmV – 600 ACV, 5 ranges.* Range can be adjusted by jumper wire.* 110/220/230 ACV power, 14 mm red LED.* DIN size : 96 x 48 mm, Depth : 104 mm.