Features: Sound meter features backlights alarm, large LCD display, maximums/ minimum noise monitor, data hold function, auto/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication. With its highly sensitive acoustic sensor, the sound level meter ensures precise measurements and displays them digitally for easy reading. Suitable for professionals and individuals alike, the sound level meter is perfect for environmental monitoring, constructions sites, and entertainment where noise control is essential. From assessing noise pollution to ensuring compliance with regulations, the sound level meter is the device for anyone seeking to improve their surroundings. Compact and portable, the sound level meter is designed for easy handling and can be used in various settings such as offices, schools, and public areas to measure and manage noise effectively. Specifications: Material:ABS Measurement Ranges:30~130dB Frequency response: 31.5Hz~8.5KHz Display resolution: 0.1dB Built in Battery:600mAh Size:Approx.190mm/7.48''x61mm/2.4''x31mm/1.22'' Package Includes: 1x Decibel Meter note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.