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Achieve precise sound measurements with LANDEK Wall Hanging and Desktop Sound Level Meter. Equipped with a high-precision sensor for accurate readings, the decibel meter features a 13" LCD for effortless data viewing and offers a broad measurement range for sound, ambient temperature, and humidity.
Simple to Install and Operate: Designed with two hanging holes on the back, the digital sound decibel meter can be effortlessly mounted on a wall or placed on a table.
This SPL meter (db meter) features a clock display with color-coded indicators, making it suitable for a range of environments, from industrial sites to home settings. Its user-friendly design and durable construction ensure reliable, long-lasting performance.
Robert Levandowski Jr.
Reviewed in the United States on March 13, 2025
It's large and easy to read across a medium-sized room. That's about where the good news stops.First and foremost, it's not accurate. It consistently reads 15-20dB high compared to two other decibel meters, including the one built into my Apple Watch, which is reasonably accurate. A decibel meter that's not accurate is pretty useless. Plus, the reading heavily depends on where the noise is coming from. The microphone appears to be on the left side of the unit; readings for noise from that side are substantially higher than noise on the unit's right. (A unit this size should probably have multiple microphones to pick up room noise evenly.)Mine arrived apparently used, despite being ordered as a new product: no outer seal; the inner packaging around the display itself torn open; the cord haphazardly bundled with a twist-tie barely hanging on; no documentation.The controls allowed me to figure them out by trial and error, mostly; many people will be lost without them. With the thing set in its default "slow" mode, it shows a quiet room as about 50dB, and normal conversation between 65 and 70 dB depending on what side of the unit you're on. In "fast" mode it's slightly more accurate, but not much.It has an internal battery. When connected to a USB power source, the battery icon (a battery shape with three bars inside) lights up red and flashes, which is annoying. Unplug it, and the battery icon lights up green. The bars are just decorative, though: they're always lit. There's no indication of remaining battery life. The battery won't last half a day. The cord is at least long enough that you could hang this high on an eight-foot wall and reach a USB charger at normal outlet height. (No charger is included.)So you've got the battery indicator flashing, the "happy faces" constantly flashing from green to yellow in a quiet room because it thinks it's louder than it is, and the steady flashing of the decibel reading to a tenth of a decibel. It's pretty distracting.The irony of a device that makes a loud noise to tell you that the noise is too loud is just the cherry on top.Seriously, though, if you need a device to warn people that environmental noise has reached dangerous levels, this isn't a good choice. It's not accurate, it doesn't appear you can calibrate it, the reading is heavily dependent on what direction the noise is coming from, it's distracting, and there's something up with the supply chain that Amazon Vine sent out an obviously used unit. I have to presume it came from the factory that way.
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