Digital 4-in-1 Noise Meter DM219N

Digital 4-in-1 Noise Meter with Temperature & Humidity Sensor, Time Display Rechargeable Battery, Adjustable Backlight 1. This four-in-one sound level meter is a portable monitoring device that simultaneously displays noise levels, temperature, humidity, and time on a clear LED screen. Suitable for both home and professional environments, it helps users effectively evaluate and manage acoustic conditions. 2. Four-parameter real-time display – The device concurrently shows noise decibel readings (dBA), temperature, humidity, and current time on the same LED screen, providing comprehensive environmental data. 3. Six-segment bar graph visualization – Features six-segment bar symbols to visualize noise levels in an intuitive bar graph format. Combined with digital readings, it offers immediate clarity on sound intensity variations. 4. Adjustable brightness and units – Screen brightness can be adjusted according to ambient light. Supports temperature unit toggling (CelsiusFahrenheit) and time settings to accommodate personalized usage needs. 5. Built in 2000mAh rechargeable lithium battery, Type-C charging port for convenient power replenishment and extended battery life. Parameters: 1. Product weight: 208g (7.34 oz) 2. Display: LED screen 3. Measurement range: 30–130 dBA 4. Accuracy: +-1.5 dBA 5. Atmospheric pressure: 12.5–15.4 PSI 6. Sampling time: 1.5 seconds 7. Temperature range: -10 to 50 degrees Celsius (14 to 122 degrees Fahrenheit) 8. Storage temperature: -10 to 60 degrees Celsius (14 to 140 degrees Fahrenheit) 9. Relative humidity: 20%–85% 10. Product dimensions: 160.5 x 90.5 x 50 mm (6.3 x 3.5 x 1.96 inches) Package contents: Main unit, Type-C charging cable, neutral English manual