["TA8152B Digital Sound Level Meter Noise Meter USB Data Connection LCD Display 40-130dB Tester Volume Decibel Measuring\n\nMultifunction:\nMaximum lock\nFrequency weighting\nfor Time weighting\nRange selection\nCommunication interface (only TA8152B)\nLow voltage prompt\nAuto off\nAC/for DC signal output\n\nHigh precision sensor: Using pure copper electroplating material,equipped with wind-proof and noise-eliminating ball,the measurement is more stable and accurate\nHidden bracket\nCan be connected to the for triangle bracket\nMultiple measurement functions:Frequency weighting A is the amount of noise perceived by the human ear frequency weighting C is the characteristic of mechanical noise\nExternal power supply: AC/for DC analog sianal output iack\nOptional measuring gear 5 gears optional: 40~70dB/60~90dB/80~10dB/I00~130dB/40~130dB\nUSB data connection real-time synchronization: Real-time data sampling and analysis. (TA8152B only)\n\nPackage included:\n1 * TA8152B Host\n1 * Packing color box\n1 * Cloth bag\n1 * English instruction\n1 * USB Cable"]