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, neighbors' pets, urban construction, factories, offices, cars on the road, etc. Accurate Measurement: This sound level meter is factory calibrated before delivery. The measurement range is 30 dB to 130 dB. The accuracy is ±1.5 dB with a resolution of 0.1 dBA. Multifunctional SPL: Includes all necessary functions, such as data hold, MAX and MIN data display. The backlight allows the meter to be used in the dark. Without use, the unit automatically turns off after 10 minutes. Fast and Slow Measurement: Fast measurement is suitable for general environmental measurement, response time 0.125 s/time; Slow measurement is suitable for environments with large sound level changes, response time 1s/time. Rear Stand and Carrying Case: With a rear stand, it can be placed on the desk for easy reading. 2 AAA batteries and a black carrying case are included in the package. This sound level meter is ideal for monitoring sound levels in homes, apartments, factories, workshops, schools, offices, theaters, etc. Specifications Frequency Weighting: A Measurement Range: 30-130dBA Resolution: 0.1dB Accuracy: ±1.5dB Frequency Range: 31.5Hz~8.5kHz Time Weighting: Fast/Slow LCD Screen Size: 36 x 33mm (1.4 x 1.3in) Microphone: 1/2in Condenser Microphone Automatic Shutdown: 10 minutes later (without use) Power Supply: 2 x AAA batteries Dimensions: 205(L) x 55(W) x 30(H)mm (8.0 x 2.2 x 1.2in) Packing List 1 x Sound Level Meter 2 x AAA Batteries 1 x User Manual Please note 1) Do not use the meter in environments with high temperature or high humidity. 2) Remove the batteries if not used for a long time. Product Quantity: 1pc Product Color: Red