The Invitrogen Countess II Cell Counter is a robust, automated device designed to provide fast and accurate cell counting and viability analysis. This compact instrument features a touchscreen interface for intuitive operation and supports USB connectivity for data transfer. Ideal for cell culture laboratories and biomedical research, it enhances workflow efficiency by eliminating the need for manual hemocytometer counting. Manufactured by Thermo Fisher Scientific, this model offers reliable performance calibrated to standard protocols. It is designed for routine use in cell viability assays, ensuring consistent and reproducible results. The Countess II is suitable for a wide range of cell types and applications, making it a practical tool for life science labs focused on cellular analysis.