Includes key features for the assessment of workplace noise levels, including integration which computes the average sound pressure level. Features LED indicators that flash green, yellow and/or red when preset thresholds have been reached. Rechargeable lithium polymer battery helps to lower the total cost of ownership versus other sound level meters that use replaceable batteries. Kit includes the meter, 53-575 USB Cable and SD-WS windscreen with user instructions translated into languages for United States, Canadian and Latin American regions.