FEATURES * Large LCD display, easy to read. * Max. Hold function for stored the maximum value on display. * Frequency weighting networks are designed to meet the IEC 61672 CLASS 2. * Warning indicator for over and under load * LCD display for low power consumption & clear read-out even in bright ambient light condition. * A & C weighting networks are conformity to standards * Time weighting (FAST & SLOW) dynamic characteristic modes. * Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case. * AC/DC output for system expansion. * Build in adj. VR is available for easy calibration. * Small and light weight design allow one hand operation. * Condenser microphone for high accuracy & long-term stability. * Low battery indicator.