Monitor your environment with precision using this advanced Wall Hanging Sound Level Meter featuring a large 11-inch adjustable brightness LED display. Designed to provide real-time readings of decibel levels, temperature, and humidity, this multifunctional noise meter ensures you stay informed about your surroundings with clear and accurate data. Key Features: · Large LED Screen with Adjustable Brightness: The 11-inch display offers easy-to-read real-time measurements of sound levels, temperature, and humidity, adaptable to different lighting conditions for enhanced visibility. · Auto Alarm Icon with Color Indicators: The noise alarm icon changes color based on decibel levels—green for under 60dB, yellow for 60-75dB, orange for 75-85dB, and red for 85dB or higher—providing intuitive alerts to noise intensity. · Wide Measurement Range and High Accuracy: Measures sound levels from 30 to 130 dBA with ±1.5 dBA accuracy, temperature range from -10℃ to 50℃ with ±1.0℃ accuracy, and humidity from 20% to 85% with ±5% accuracy, ensuring reliable environmental monitoring. · Long USB Charging Cable and Built-in Battery: Equipped with a 2000mAh lithium-ion battery and a 9.8ft (300cm) USB charging cable, this sound level meter offers convenient, long-lasting power without concerns about cable length. · Versatile Placement Options: Designed for wall mounting or tabletop use, making it ideal for monitoring noise levels in various environments such as traffic routes, construction sites, homes, and offices. · Durable ABS Construction: Crafted from sturdy ABS material for enhanced durability and long-term use. Specifications: · Item Type: Wall Hanging Sound Level Meter · Material: ABS · Display Method: LED Display · Measurement Range: 30-130 dBA · Accuracy (Decibel): ±1.5 dBA · Frequency Range: 50Hz - 8.5kHz · Frequency Weighting: A · Resolution: 0.1 dBA · Temperature Range: -10℃ to 50℃ (±1.0℃ accuracy) · Humidity Range: 20% - 85% (±5% accuracy) · Atmospheric Pressure: 12.5 PSI - 15.4 PSI · Sampling Time: 1.5 seconds · Battery: Built-in 2000mAh Lithium-ion (Model: 103450) · Charging: 5V 1000mAh via USB cable (9.8ft/300cm) Package Includes: · 1 x Wall Hanging Sound Level Meter This multifunctional sound level meter combines accuracy, ease of use, and durability, making it an essential tool for noise monitoring and environmental measurement in both professional and personal settings.