Features: The GN102 Decibel Meter offers precise sound level measurement, helping users understand environmental noise levels to ensure a comfortable living environment. Featuring a Easy Carry design and easy operation, this sound level meter is equipped with high Precisions sensors for fast response and a large screen for clear readings. Ideal for home users, music enthusiasts, teachers, and professional needing to monitor noise levels. Suitable for various setting such as homes, schools, offices, and construction sites, providing Immediate environmental noise monitoring. Crafted from Strong ABS material, this noise meter ensures long service Performances and reliability in diverse environment . Specifications: Material: ABS Length: about 16.3cm/6.42inch Power supply: 2xAAA(Not included) Package Includes: 1 set Sound Levels Meter note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.