If you're into audio, you can't not have a sound level meter (SPL meter) and now you don't have to have a six figure salary to afford one. Featuring a wide dynamic range from 30 to 130dB, it can measure both A and C weightings to get the right response for the human ear and can have fast or slow responses to get an ambient reading or a short noise. Includes data hold and min/max functions, as well as tripod mount for prolonged use. Great for car audio installers, clubs and PA. Supplied with carry case and wind sock. Sound range : 30.0dB, 130.0dB Weighting : A Weighted, C Weighted Frequency Range : 31.5Hz, 8000.0Hz Response : Fast/slow selectable Display Backlight : LED Backlit Length : 210.0mm Width : 55.0mm Depth : 32.0mm Battery type : 9V Special Features : Pocket Sized Casing : Plastic Carry Case Included : true