<p>Features:</p> <p>- Compact and ultra-light:Humanized design, small size, light weight, easy to carry.</p> <p>- High-precision sensor:high sensitivity, high precision, high response speed.</p> <p>- VA color screen:HD LCD display with backlight allows you to read the value clearly even in a dark environment.</p> <p>- Wide frequency range:31.5Hz~8KHz.</p> <p>- Fast/slow time weighting:125ms (fast)/1m (slow).</p> <p>- </p> <p>- Low battery reminder:It can remind you to replace the battery in time to prevent it from being shut down due to low power.</p> <p>- Automatic shutdown:No operation within 15 minutes, energy saving.</p> <p>- Diversified functions:sound level measurement, ambient temperature measurement, maximum and minimum measurement, data retention, over-range indication.</p> <p>- Wide application:Applicable to environmental measurement, law enforcement requirements, design measurement, sound level analysis machines and engines.</p> <p>Specifications:</p> <p>Model:GN101</p> <p>Material:ABS</p> <p>Color:Black and Green</p> <p>Power:3 * 1.5V AAA batteries (not included)</p> <p>Measurement range:35dB~135dB</p> <p>Resolution:0.1dB</p> <p>Accuracy:</p> <p>Dynamic range:50dB</p> <p>Frequency response range:31.5Hz~8KHz</p> <p>Frequency weighting:weighted network</p> <p>Temperature measurement range:-20</p> <p>Resolution:0.1</p> <p>Accuracy:</p> <p>Working temperature:-20</p> <p>Storage temperature:-20</p> <p>Product size:approx. 163.6*56*29.7mm / 6.44*2.2*1.17in</p> <p>Product weight:about 73g / 2.57oz</p> <p>Packaging size:about 27*10*4.5cm / 10.63*3.94*1.77in</p> <p>Packaging weight:about 145g / 5.11oz</p> <p>Note:</p> <p>Please read the user manual before use.</p> <p>Packing list:</p> <p>1 * Digital sound level meter</p> <p>1 * User manual (English)</p>Thanks