Decibel Noise Meter LCD Digital Sound Level 30-130DB Measure Monitor A/C Switch
39,27 €
🎧 【A / C switch】 Frequency weighting selection switch A / C switch. dBA is the amount of noise that the human ear feels. If the reading is in the selected level range, it will be displayed "Down" in the upper left corner prompts you to adjust the gear.
Jetzt bei Ebay: