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