Monitor and control environmental noise efficiently with this advanced Wall Mounted Decibel Meter, expertly designed for precise sound measurement and ease of use. Constructed with durable ABS material, this meter features a space-saving wall mounted design with convenient mounting holes, perfect for continuous noise monitoring in various indoor environments. Key Features: · Wall Mounted Design: Easily install on walls using the built-in mounting holes to save space and keep your workspace organized. · Accurate Digital Measurement: Utilizes a high-precision digital microphone and advanced AD conversion technology to convert sound into digital signals for accurate noise strength and frequency analysis. · Wide Measurement Range: Measures sound levels from 30dB to 130dB with a ±1.5dB accuracy, offering reliable readings for environmental noise monitoring, industrial sites, classrooms, hospitals, and more. · Multi-Functional Display: Features a clear 3-inch digital pipe display that shows real-time noise levels with selectable A or C weighted modes to measure human-perceived sound or mechanical noise respectively. · Adjustable Alarm Function: Includes an alarm alert with adjustable thresholds to notify when noise exceeds preset limits, ensuring compliance with safety and noise regulations. · Maximum Value Lock Function: Allows locking on peak noise levels for detailed monitoring and assessment. · Slow/Fast Measurement Modes: Switch between slow (1 reading per second) and fast (4 readings per second) modes for flexible noise sampling. · Built-in Rechargeable Battery: Equipped with a 1000mAh lithium battery with charge alert function for convenient wireless operation up to 8 hours; powered via USB (DC 5V 1A, adapter not included). · Robust ABS Construction: Lightweight yet durable housing provides long-lasting performance and resistance to wear, suitable for industrial and commercial settings. · Comprehensive Control Buttons: Easy-to-use interface includes power, alarm toggle, measurement speed, weighted settings, and alarm value adjustment for customized noise monitoring. Specifications: · Material: ABS · Weight: Approx. 641g (22.6oz) · Product Size: 23.7 x 12 x 2.7 cm (9.3 x 4.7 x 1.1 in) · Wall Hole Distance: 8 cm (3.1 in) · Sound Measurement Range: 30-130dB · Accuracy: ±1.5dB (Reference Sound Pressure Standard 94dB 1KHz) · Frequency Response: 31.5Hz–8.5KHz · Display: 3-Inch Digital Pipe Display · Power Supply: USB power input (DC 5V 1A adapter not included), built-in 1000mAh lithium battery · Microphone: Digital microphone Package Includes: · 1 x Wall Mounted Decibel Meter This Wall Mounted Decibel Meter is an ideal solution for environmental noise assessment, building construction noise monitoring, industrial noise surveillance, and indoor noise control. Its precise digital readings, reliable alarm system, and user-friendly design make it an essential tool for maintaining optimal acoustic environments in homes, offices, schools, hospitals, and more. Maintain noise standards and ensure safety with this dependable and portable sound level meter.