TubeWriter 300 Labeling System replaces the need for hand labeling and sticky labels.TubeWriter 300 is an instrument for printing labels directly on curved surfaces, including tubes, vials, slides, and custom labware. It is designed to automate laboratory sample labeling for scaling labs, running routine assays and medium throughput experiments. TubeWriter's proprietary disposable UV curable ink is formulated to bond directly to any labware surface. Includes 4 ink cartridges for the year. Additional add-on that enables 1D or 2D barcoding of samples. 57 lbs. Electrical: 100-240 VAC 50/60hz, Compatibility: PC, Connectivity: USB.