SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, Specification:SW525B with Storage + USB Walkie Talkie and easily cope with difficult

and easily cope with difficult problems

with bass and large diaphragm

double fill light

The earphone uses the classics the outward appear modeling

SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, Specification:SW525B with Storage + USB Walkie Talkie and easily cope with difficultItem: SW525A(red light) SW525B(red light) SW525G(green light) SW526A(red light) 1. Screen size: 9. 6 inch (SW526A 18 inch) 2. Measurement range: 30 130dB 3. Accuracy: + 105dB 4. Frequency response: 31. 5Hz~8. 5Hz 5. Microphone: 6 mm condenser microphone 6. Digital display: 3 digits 7. Power supply mode: DC 5V 1A Micro USB interface 8. Working temperature and humidity: 0 ~ 40 degrees, 10% ~ 80% RH 9. Storage temperature and humidity: 10 to 60 degrees,