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 Manual              1 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.