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1. LED high-definition color screen display: LED color screen display, clear numbers without ghosting.
2. Power supply mode/automatic shutdown: powered by 3.7V/220mAH lithium battery, automatically shuts down after 15 minutes of no operation.
3. Frequency weighting: A weighting
4. Measuring range: 30.0~130dB
5. Accuracy: +/-1.5dB (at reference sound pressure level, 94dB 1kHz)
6. Resolution: 0.1dB
7. Display: LED digital tube, maximum display 1999
8. Microphone: High-sensitivity 1/2-inch condenser microphone
9. Frequency response: 31.5Hz ~ 8kHz
10. Sampling rate: 2 times/second
11. Automatic shutdown: 15 minutes
12. Operating environment: -10~50 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m
13. Storage environment: -10~50 degrees Celsius, maximum 70% relative humidity (remove battery)
14. Dimensions: 133x30x18mm
15. Display screen size: 15 x21mm
16. Weight: 37g
17. Battery capacity: 220mAh
18. Charging port: Type-C
2. Power supply mode/automatic shutdown: powered by 3.7V/220mAH lithium battery, automatically shuts down after 15 minutes of no operation.
3. Frequency weighting: A weighting
4. Measuring range: 30.0~130dB
5. Accuracy: +/-1.5dB (at reference sound pressure level, 94dB 1kHz)
6. Resolution: 0.1dB
7. Display: LED digital tube, maximum display 1999
8. Microphone: High-sensitivity 1/2-inch condenser microphone
9. Frequency response: 31.5Hz ~ 8kHz
10. Sampling rate: 2 times/second
11. Automatic shutdown: 15 minutes
12. Operating environment: -10~50 degrees Celsius, maximum 80% relative humidity, indoor altitude less than 2000m
13. Storage environment: -10~50 degrees Celsius, maximum 70% relative humidity (remove battery)
14. Dimensions: 133x30x18mm
15. Display screen size: 15 x21mm
16. Weight: 37g
17. Battery capacity: 220mAh
18. Charging port: Type-C
Specification:
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