... ), bracket, CD, fan cover, horologe screwdriver, briefcase Modal TL6288BMeasuring range A sound level:30-135dB C sound level:35-135dBLinearity ... time, clock, 1/1 center frequencyBacklight display functionPower 5 pieces of alkaline batteries, DC 7.5v, with input hole for ... Main machine: 240mm×81mm×31mm Printer: 178mm×81mm×31mmWeight 0.4kg , printer: 0.41kg handheld noise spectrum analyzer