The General Tools RLD440 Digital Refrigerant Leak Detector with Pump is designed to meet the latest refrigeration standards. This advanced leak detector features a high-sensitivity sensor that can detect refrigerant leaks quickly and accurately. It is equipped with a built-in pump that enhances its performance, allowing for effective leak detection in various environments. The device is compact and lightweight, making it easy to handle and transport. With a clear digital display, users can easily read measurements. Ideal for HVAC professionals, this tool is essential for maintaining refrigeration systems and ensuring compliance with industry regulations.