Hour Meter Operating temperature: -10...+55 °C Counter input: PNP/NPN voltage input Dimensions: 48 x 24 x 53 mm Front panel cut-out: 45 x 22.2 mm Backlight: Yes Display type: LCD Displays: 7-Digit Protection rating: IP66 (Front Panel) Termination type: Screw Terminal Character height: 8.6 mm Counting capacity: 999999.9 h