INFURIDER Digital Luxmeter Light Measurement with 300,000 Lux Light Meter, Lighting Meter, 270° Rotating Detector Photometer for Lighting and Photo Measurement of Indoor Plants

INFURIDER Digital Illuminance Light Meter with 300,000 Lux Foot Candles Luxmeter and 270 Degree Rotatable Detector for Indoor Plants Lighting and Photography Measurement

Decibel Meter, TopTes TS-501B Sound Level Meter with A/C Weighting, Measuring Range 30 to 130 dB, SPL Tester for Noise Control, 2.25-inch Backlit LCD Display, MAX/MIN, Data Hold - Orange

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