Feature: 1. With LCD red backlit display, the measurement results can be clearly and intuitively displayed on the screen. 2. The measurement range is 30-130dB, with accurate measurement results and stable performance. 3. Mini digital sound level meter, adopt high-quality ABS material, durable and wear-resistant. 4. It is compact and easy to carry, and can be used to measure and monitor the sound quality in various environments. 5. This sound level meter is widely used in sound engineering, quality control, medicine care and other environmental measurements. 6. The appearance design is novel and can be used in homes, offices, school companies, road construction, etc. Specification: Condition: 100% Brand New Item Type: Sound Level Meter Material: ABS Weight: Approx. 341g / 12oz Product Size: Approx. 19.3x60x29mm / 0.8x2.4x1.1in Display LCD display Range 30-130dBA; 30-130dBC(option) Frequency 30Hz-8KHz Dynamic Range 50dB Accuracy ±1.5dB(94dB at 1KHz), ±5dB(94dB at 8KHz) Frequency Weighting A Weighting Time Weighting Fast:125ms, Slow: 1sec Microphone Electret Condenser Operating Conditions 0-50℃,<80%RH Storage Conditions -10~50°C,<70%RH Auto Power Off 10minutes Power 3 x 1.5V AAA Battery (Battery Not Included) . Package List: 1 x Sound Level Meter (Battery Not Included)1 x English Manual1 x Storage Bag Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.