A-weighted Sound Level Meter: This sound level meter employs a capacitive microphone for sound collection and features A-weighting functionality. With a measurement range spanning 30 to 130 decibels and an accuracy of 2 dB, it is suitable for noise monitoring in communities, home theaters, audio systems, vehicles, workshops, schools, offices, factories, and similar environments. Backlit LCD Display: The sound level meter displays noise levels in decibels via its LCD screen. and hold the backlight button to activate the backlight function, ensuring clear data readability in bright or dim environments. Maximum/Minimum Measurement: This sound pressure level meter features recording capability, capturing the highest/lowest noise peaks within a set time period. Data Hold Function: Freezes the current reading as needed. Compact and Portable Design: and slim body for easy portability. (Note: Batteries are not included in the shipment, you need to bring 2 x AAA batteries) Color: As Shown Material: ABS Package Contents: 1 set * decibel meters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.