Description
✅Wall-mount Clock：BTMETER sound decibel reader DM165AF not only can monitor sound level from 30-130dBA with +/-1.5 dBA high accuracy, but also can work as a large digital wall clock / humidity meter / temperature gauge to monitor indoor humidity from 20%~85% and check temperature from 14°F~122°F..✅Auto Alarm Icons: Built with smart sound sensor, Kethvoz noise tester not only can display voice decibel value, but also classify volume into 4 sound levels and display colorful decibel indicator icons(▂▃▅▆▇bar graph) timely, including less than 55dB, 55~65dB, 65~75dB, 75~85dB, 85~95dB and louder than 95dB. A good way to tell your kids, student, colleagues, band and noisy neighbor how loud they are and time to turn down their voice..✅ Rechargeable dB Meter: Wall-mounted design with 2 hanging holes on the back of the digital sound decibel meter and 9.9 feet(300CM) long charging cable included, so you can freely hang it on wall or just place it on table. Built-in 2000mAh battery, Kethvoz decibel monitor can standby around 7 hours after fully charged..✅ Adjustable Sampling Rate: 4-button easy operation. Press 【M】button to adjust sound level detection speed: Fast, Medium, Slow. Press 【▲】or 【▼】button to adjust LED screen brightness. Long press【M】button to edit time..✅ Wide Applications: Ultra Large 11'' LED display, making it easy to read sound db measurement even from a distance. Practical sound level indicator helps you to catch current noise volume level, humidity, time and temperature at glance. Widely used in classroom, hospital, gym, studio room, office, living room and bedroom etc.
