... high speed industrial grade chip, recording time delay ≤0.2s10, Manual reset functionTechnical Parameter: ItemSpecItemSpecAudio input1 CHSensitivity-42±2dBFreq. response60 – 18KHzSample ... formatMP3DirectionalityHeart styleData port1CH RJ45Audio encoding1 CHCommunication protocolTCP/IP, UDPPowerAC 220V±10%, 50-60HzStart interfacePlug in after correctly connecting as picture, turn ...