SpotLiter™ provides simple way to track loading reagent by lighting up the target wells, rows, columns, reagion, which can be single or complete/partial row or column of wells or all 96 wells. Easy control by foot pedal or control panel. Great companion tool for nearly every 96 well plate operating scientist in research and diagnostic markets. Unit comes with one year warranty and includes foot pedal, power supply, and plate holder (for non skirted plate).