XRCLIF Digital Sound Level Meter Hand-held Sound dB Meter with Programmable Alarm Value Function, 30-130dB(A) Decibel Sound Noise Meter Tester Measurement with LCD Dispaly, Max/Min/Hold Function Gray

Digital Sound Level Meter Hand-held Sound dB Meter with Programmable Alarm Value Function, 30-130dB(A) Decibel Sound Noise Meter Tester Measurement with LCD Dispaly, Max/Min/Hold Function Gray

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

Handheld Digital Light Meter Ambient Temperature Measurer with Range up to 200,000 Lux with 4 Digit Color LCD Screen (Black)