Large LCD Wall-Mount Sound Level Meter with Humidity, Temperature & Clock (2000MaH)

High-definition backlit large LCD makes measurements easy to read any time of day. This digital sound level meter is designed for wall mounting for continuous monitoring yet also has a flat base for tabletop use and is simple to install—unlike handheld sound meters. It includes a 10ft power cord and can run unplugged for hours on the built-in 2000MaH battery. 4-in-1 functionality delivers decibel readings plus humidity and temperature information, and a built-in clock. The sound tester offers 3 ADJUSTABLE SPEEDS (1. Fast 2. Medium 3. Slow) so you can choose the response that suits your measurement needs. Flexible placement makes it useful as a theater SPL meter by the TV or in a garage workshop, and well suited for Classroom, Studio room, traffic routes, factories, construction site, home, offices, etc.