SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, Specification:SW525B with Storage + USB Walkie Talkie polyester fabric has better light

polyester fabric has better light resistance and is not afraid of mold

make independent control

with bass and large diaphragm

reduces picture shaking

double fill light

SNDWAY Wall-mounted 30~130dB Large Screen Digital Display Noise Decibel Monitoring Testers, Specification:SW525B with Storage + USB Walkie Talkie polyester fabric has better lightItem: 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,