Sound level meter with large digital wall-mounted LCD screen, noise decibel volume monitoring tester, measuring instrument with a 30-130dB range and alarm.

Features:1. Large digital LCD screen, clear numerical values, easy to read.2. Easy to use and requires no setup. It can be used immediately upon startup.3. Measurement range is 30 to 130 dB. With upper and lower limit alarms.4. Adjustable alarm time range is 5 to 120 seconds (factory default 120 seconds).5. Alarm sound output function. Buzzing to remind you when the real-time measurement reaches the alarm level and holds the data for 5 seconds, then returns to normal mode.6. With hanging holes, can be hung on the wall.7. 7. Suitable for checking and monitoring noise levels in homes, businesses, studies, industry, etc.Specification:This instrument is mainly used for measuring environmental noise, monitoring noise suppression engineering, quality control, health monitoring, etc. It is widely used in factories, offices, audiovisual venues, transportation routes, homes, engineering construction sites, and other places that require noise monitoring and control.Features:1. Large digital LCD screen, clear numerical values, easy to read.2. It is easy to operate and requires no setup. It can be used immediately upon startup.3. The measurement range is 30 to 130 dB. With upper and lower limit alarms.4. The adjustable alarm time range is 5 to 120 seconds (factory default 120 seconds).5. Alarm sound output function. A buzzer will alert you when the real-time measurement reaches the alarm level and will hold the data for 5 seconds, then return to normal mode.6. With hanging holes, it can be hung on the wall.7. Suitable for checking and monitoring sound levels in homes, businesses, studies, industry, etc.Specifications:1. Measurement range: 30-130 dB2. Frequency response range: 31.5 Hz ~ 8.5 kHz3. Frequency weighting: single weighted4. Response speed: 8 times/second5. Accuracy: ± 1.5dB (with sound calibrator 94dB 1000Hz)6. Resolution: 100 dB: 1 dB7. Power Supply Method: DC5V 1A8. Power Port Style: Type-C9. Operating Temperature: 0-40 ℃10. Operating Humidity: 10% ~ 80% RH11. Storage Temperature: -10~60 ℃12. Storage Humidity: 10% ~ 70% RHMaterial: ABSItem Size: 22.5 * 12.5 * 3 cm / 8.86 * 4.92 * 1.18 inchItem Weight: 440g / 15.52 ozPackage Size: 24.5 * 16.9 * 3.5 cm / 9.64 * 6.65 * 1.38 inchPackage Weight: 600g / 21.16 ozPackage List:1 * Noise Meter1 * Type-C Power Cable1 * User Manual (English)Package List:1 * Noise Meter1 * Type-C Power Cable1 * User Manual usage (English)