Sper Scientific 850014 Mini Sound Meter, 8" H x 2" W x 11/2" L

• Auto-ranging 30 -130 dB
• 0.1 dB resolution
• Accuracy of ±1.5 dB
• Fast or slow time weightings
• 5 YR Warranty

This meter is packed with features, accurate and easy to use. It comes with a detailed manual and is backed by the company's outstanding support. Must have for anyone pressing a residential noise case.