Decibel Meter Sound Level Reader 30-130dB Handheld Sound Level Meter with Capacitive Microphone Sensor HD Backlight Display Noise Meter Decibel Monitoring Tester

GAIN EXPRESS Decibel Meter Sound Level Reader 30-130dB Handheld Sound Level Meter with Capacitive Microphone Sensor HD Backlight Display Noise Meter Decibel Monitoring Tester

BTMETER Digital Anemometer Handheld BT-100 Wind Speed Meter Gauge, Accurately Measure Wind Temperature Speed CFM with MAX/MIN/AVG, Backlight LCD for Shooting, HVAC, Drone Flying

Tadeto Decibel Meter, Digital Sound Level Meter Portable SPL Meter 30dB to 130dB MAX Data Hold with LCD Display Backlight A/C Weighted for Home Factories