FDM01 Decibel Meter Wide measurement range: 30 to 130 dB, enabling accurate assessment of noise levels in homes, workplaces, and public venues. Clear LCD display: user friendly screen with a 1 dB resolution for readings that are easy to read at a glance. Sensitive detection technology: advanced condenser microphone delivers sensitivity in sound level measurement to help identify potential noise hazards. Easy to carry: lightweight and portable design with a rechargeable 600 mAh battery for quick onsite assessments. Applications: Home environment: monitor noise from appliances, HVAC, or neighbors to maintain comfortable living conditions. Workplace: assess ambient noise near machinery or in office areas to support safety and exposure monitoring. Public venues and events: measure crowd and ambient noise levels to maintain appropriate levels for comfort. Key specifications: Model: FDM01 Range: 30130 dB Display: 1 dB resolution Microphone: condenser Power: rechargeable 600 mAh battery