The Sound Level Meter is a compact digital tool for recording noise levels. Designed to react to the noise much like the human ear. The measurements taken by sound level meters are compared to known standards to identify whether the noise level could have a detrimental effect on humans located near the noise source. Features include over-range indication, max./min. measurement mode, data hold, low battery indication, auto power-off and more. It can be used to measure the sound level in all kinds of environments, such as factories, schools, offices, traffic, roads etc. Supplied with a removable wind noise reducing cap. Measuring Range: 30 dB - 130 dB.Frequency Range: 30Hz~8kHz.Accuracy: ±1.5 dB.Power: 3 x 1.5V AAA batteries (supplied). Features: 4 digit LCD display Wind cap reduces wind noise Wind cap reduces wind noise Compact pocket size design Min./Max. function Specifications: Dimensions: H:16.0 x W:4.0 x D:7.5 cm Colour: Multi Guarantee:5 years Material: Plastic Model Number: FAIDE