Multiple Weighting Options: Choose between "A", "C", and "F" weighting for precise sound measurements. Comprehensive Measurement Parameters: Measures Lp, Leq, Lmax, and LN for a complete sound analysis. Memory Function: Store up to 30 groups of measurement results and conditions for easy reference. User-Friendly Display: Digital display with auto range selection ensures accurate readings without guesswork. Versatile Data Output: Connect to PC via USB or RS-232, and enjoy Bluetooth data output for convenient data management.