The i-LAB® Hand Held Analyzing Spectrometer from MicrOptix Technologies (Wilton, ME) performs real-time measurement and analysis of liquids and solids in the visible light range from 400–700nm. Features include a variety of sample interface adapters for sample measurement in the laboratory, field, plant, and classroom environments. The10mm disposable SamplettesTM enable rapid and reliable liquid sample measurement. The spectrometer is able to store data for later uploading to a computer. The i-LAB is powered by three AA batteries and LEDs provide the primary light source.