The Elitech CLD-100 Freon Leak Detector is a highly sensitive digital instrument designed for detecting halogen gases such as R-22, R-410a, and R-12. With a sensitivity level of 0.21oz/year, this refrigerant gas detector is equipped with UV light for added convenience in detecting leaks. The compact design, including a carrying case, makes it easy to transport and store. Ideal for HVAC and refrigeration professionals, this model is a reliable tool for efficiently detecting and repairing leaks in various refrigerant systems.