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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
it is also a battery storage box and MicroSD card storage box
single display
Satellite positioning speed: about 1 to 3 minutes in an open place outdoors
General Compatible with BOSE: QC2
Large Screen Wall-Mounted Noise Meter Decibel Detector, TA653A, TA654A Option:TA654A it is also a battery1. 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,
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