1. Measurement range: 30dB – 130dB
2. Accuracy: about 1.5dB (based on standard sound source, 94dB@1KHz)
3. Resolution: 0.1dB (less than 100dB); 1dB (more than 100dB)
4. Frequency response: 31.5Hz – 8.5KHz
5. Sampling rate: 2 times / second
6. Sensor type: 6mm condenser microphone sensor
7. Display mode: LED digital tube, single word 4 inches
8. Alarm output: 12V high level
9. Alarm prompt: sound + prompt
10. Operating environment: 0 – 40 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m
11. Storage environment: -10 – 60 degrees Celsius, within 70% relative humidity
12. Input: DC 5V/1A
13. Power supply: USB direct plug
14. TA654A test cable length: about 5 meters
15. Size: approx. 32.3 x 17.3 x 4cm
16. Weight: about 980g

Features:
1. Highly sensitive 1/2 inch condenser microphone with high accuracy, high sensitivity and instantaneous response (TA654A