Image is Representational - See Manufacturer Specs | 8 Digits - Preset Timer - Totalizer - Timing and Rate/Speed Metering - 36x72mm - Backlit LCD The A103-006 is a product that meet nearly every requirement for panel mounted control and indication. Housed in a DIN standard 36mm x 72mm case, the A103-006 is designed to accumualate elapsed time for applications such as machine maintenance. The unit is field programmable to display the elapsed time in a variety of units. It has an 8 digit supertwist LCD display which can be backlighted by connecting an external DC (10-28 Volt) power supply. A single unit can accept NPN & dry contact inputs for low speed (30Hz) counting and PNP or square wave signals for high speed applications up to 10 kHz. It is powered by either one or two replaceable 3V Lithium batteries which allows for a new battery to be installed before removing the old one. A NEMA 4X front panel and noise immunity tested to IEC 801 level 3 makes this unit suitable for harsh environments.