Handheld Digital Noise Meter With A Range Of 30 To 130Dba; Accuracy Of +/- 1.5 Decibels - Ip54 Rated For Dust/Water Resistance - Precise Sound Reader W/Slow (1S) And Fast (1/8S) Settings; 0.1Db Resolution; Change Response Time And Min/Max Readings With A Button Press - Large-Font Display With Data Hold And Optional Backlight; 5-Min Auto-Off - Ideal For Measuring Loudness Levels In Server Room/Data Center/Office; Compact And Lightweight (2X6.4X1.1In/0.4Lb); Durable Abs Housing W/Non-Slip Design