Practical Tool: Lightweight and compact design. This portable decibel meter is ideal for home and industrial use. It can continuously measure the sound level of household appliances, neighbor's pets, urban construction, factories, offices, road cars, etc. Accurate Measurement: This sound level meter is factory calibrated before shipping. The measuring range is 30 dB to 130 dB. The accuracy is ±1.5 dB with a resolution of 0.1 dBA. Multifunctional SPL: Including all necessary functions, such as data hold, MAX and MIN date display. The backlit function allows this meter to be used in the dark. Without operation, the device will automatically turn off after 10 minutes. Fast and Slow Measurement: Fast measurement is suitable for general environmental measurements, response rate 0.125 s/hour; Slow measurement is suitable for ambient environments with large changes in sound level, response rate 1 s/time. Back stand and carrying pouch: With back stand, it can be placed on the desk to get readings easily. 2 AAA batteries and a black carrying pouch are included with the package. This sound level meter is ideal for monitoring noise levels in homes, apartments, factories, workshops, schools, offices, theaters, etc. Specifications Frequency Weighting: A Measuring Range: 30-130dBA Resolution: 0.1 dB Accuracy: ±1.5 dB Frequency Range: 31.5 Hz ~ 8.5 kHz Time Weighting: Fast/Slow LCD Size: 36 x 33 mm (1.4 x 1.3 inches) Microphone: 1/2 inch condenser microphone Auto-off: 10 minutes later (without operation) Power supply: 2 AAA batteries Dimensions: 205 (L) x 55 (W) x 30 (H) mm (8.0 x 2.2 x 1.2 inches) Packing list 1 x Sound level meter 2 AAA batteries 1 x User manual Please attention 1) Do not use the multimeter in a high temperature or humidity environment. 2) Please remove the batteries if not used for a long time. Product Quantity: 1 Piece Product Color: RedLonvrèe