TestHelper SW-525A Sound Level Meter Tester 30-130db Large Screen Red LCD Display Wall Hanging Type Decibel Noise Measuring with Alarm (Sound Level Meter) auspowers_batchone 12 HOURS LONG STANDBY TIME

12 HOURS LONG STANDBY TIME Fully charges in 1

PGN Bearings(100 Pieces) - 3mm (0

EASY TO USE Plug & play

Specification:Condition: 100% Brand newMaterial: SiliconeColor: BlackSize: approx

2 Inch Disc Pad Holder with ¼” Shank

TestHelper SW-525A Sound Level Meter Tester 30-130db Large Screen Red LCD Display Wall Hanging Type Decibel Noise Measuring with Alarm (Sound Level Meter) auspowers_batchone 12 HOURS LONG STANDBY TIMETestHelper SW 525A Sound Level Meter Tester 30 130db Large Screen Red LCD Display Wall Hanging Type Decibel Noise Measuring with Alarm (Sound Level Meter) Purchase instructions: 1. The product is powered by USB cable, please confirm before purchase, you have USB socket applicable Product has no battery, it uses AC power supply 2. Usually in a very quiet room, the value will not be lower than 40dB, which is normal. Description: Large digital LCD