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Amazon.com: Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB Backlight LCD Display, MAX/MIN Noise Measurement, Data Hold, A/C Mode for Classroom, Office, Factory : Industrial & Scientific
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9H.JNE77.13E, BenQ DLP, 4000 Lumens, 20000:1, 4:3, 1024 x 768, 34 /29 dBA, Composite Video in, 2 x HDMI, VGA, RS-232, USB Type-A, USB Mini-B, 296 x 120 x 221 mm, 2.3kg | EET
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