TestHelper SW-525A Sound Level Meter Tester 30-130db Large Screen LCD Display Wall Hanging Type Decibel Noise Measuring with Alarm (Sound Level Meter)

• Large Screen LCD Display

Description Note: This product doesn't have a battery. It only works with alternating current. You have to plug it in to use it. The product is powered by USB cable, please confirm before purchase, you have USB socket applicable Description: Large digital LCD display Measurement range is 30 ~ 130dB The indicator light blinks and buzzer Alarm Use the device to measure noises inside or outside. With hanging holes, can be hangged on the wall DC 5V 1A micro USB power supply Specifications: Model: SW-525A Measurement range : 30 ~ 130dB (dB) Accuracy: +1.5 dB (reference sound pressure level, 94dB @ 1kHz) Frequency response: 31.5Hz ~ 8.5kHz frequency weighting: A Response time: Fast Microphone: 6mm condenser microphone Power supply: DC 5V 1A micro USB working environment: 0 - 40 degrees (32 degrees Fahrenheit to 104 degrees Fahrenheit), 10 - 80%RH Storage of Temp. and humidity: -10~60C. 10~70%RH Package Included: 1 x SW-525A sound level meter 1 x USB cable 1 x Manual 1 x Certification Brand: TestHelper