High accuracy meets ANSI and IEC 651 Type 2 standards High and Low measuring ranges: 35 to 100dB (low) and 65 to 130dB (high) Data Hold and Max Hold functions Backlit LCD display to view in dimly lit area Specifications Response Time (Fast/Slow) Yes Condenser Microphone 0.5in (12.7mm) Weighting (A&C) Yes Noise Range Low: 35 to 100dB, High: 65 to 130dB Weight 8.1oz (230g) Dimensions 8.2x2.1x1.25in (210x55x32mm) Basic Accuracy "1.5dB (Type 2)