Decibel Meter Recorder 13 Inches Sound Level Meter, Wall Mount Noise Meter for Classroom Sound Meter with 16.4ft Sensor, Buzzer Alarm and Unlimited Data Logging, Noise Meter Decibel for Studio, Home

• Decibel Data Logger DANOPLUS decibel meter can record decibel data every 2 seconds, it's able to store ONE YEAR data and display and export real-time data for analysis when connect to software in PC
• 13-inch HD Screen The noise meter is designed with 13 INCHES HD Display, each digit number has 4 inches big, you may monitor the sound level clearly even from far away
• Audible & Visual Alarm This classroom noise meter will emit Audible and Visual alarm when the decibel level reach the decibel threshold(default is 120dB), you may manually adjust the decibel threshold and alarm duration time
• 16.4FT Sound Sensor DANOPLUS wall mounted sound decibel meter is equipped with 16.4 feet extra Long sound sensor, you may detect all of the sound source around based on your need
• Multi-Functional This noise monitor is Desktop and Wall mount design, decibel level analog bar indication, 12V external alarm output with 3.5mm port, 30~130dB measurement range