Zellix Surveillance Equipment sku-17544322049 Meter

Zellix Surveillance Equipment, SKU sku-17544322049, is listed in the source as a Diemmern 4-in-1 environmental monitor. Its 11" LED display shows sound level, temperature, humidity and time. Brightness is adjustable, and the monitor can hang on a wall or sit on a table. An air semiconductor sensor measures sound from 30~130dB with ±1.5dB accuracy and a 50Hz~8.5KHz frequency response.

It measures humidity from 20~85% with ±5% accuracy and temperature from 14~122 with ±5% accuracy. The M button switches between Fast, Medium and Slow detection settings; holding it sets the time. The monitor is ready to use out of the box and is intended for noise and environmental checks in classrooms, studios, offices, homes, factories, construction sites and near busy roads, as well as noise engineering, product quality control and health prevention.

A built-in 2000mAh lithium battery charges through the included 10 ft USB cable. The seller asks customers to contact them about issues and says they will respond promptly.