Origin and Material: Crafted with a high-quality mixture of materials, this sound sensor is manufactured in Mainland China, ensuring both durability and efficiency in industrial environments. Communication Compatibility: Equipped with TTL interfaces, this noise sensor module offers versatile connectivity options, making it suitable for a wide range of industrial applications. Voltage Flexibility: Designed to operate on both 5V and 12V power supplies, this decibel meter detection module provides flexibility in power management for various industrial settings. High Sensitivity Range: Capable of detecting noise levels from 30db to 120db, this sound sensor tester is ideal for monitoring environmental noise in factories, workshops, and construction sites. Safe and Reliable: Contains no high-concern chemicals, ensuring safety and compliance with environmental regulations while providing reliable performance in demanding industrial applications. Operating Voltage: 5V/12V Power Consumption: 18.9mA@5V/31.0mA@12V Operating Temperature: -20℃~+60℃ Noise Accuracy: ±0.5dB Output Signal: TTL Measurement Range: 30dB~130dB Frequency Weighting: A-weighting Response Range: 20 Hz~12.5kHz Response Time: Fast 500ms, Slow 1.5s Color: As Shown Material: Plastic+Electronic Component Specification: TTL-12V Package Contents: 1* Noise Detection Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.