[Rechargeable 3IN1 Decibel Meter] WESTOBIG Sound Level Meter, Digital dB Meter Noise Meter 30dB to 130dB Portable SPL Meter MAX Data Hold with Color Display Backlight

【3 IN1 DECIBEL METER】FDM01 is not just a decibel meter, but in addition a temeprature meter and humidity meter.
【ACCURATE MEASUREMENT]】The measuring range of the sound level meter is 30dB to 130dB . Highly accurate with ± 1.5 dB. Real-time monitoring will give you accurate data on noise within the area.
【AUDIBLE AND VISUAL ALARMS】Setting high/low alarm values, if the measured value higher than it,Red color alarm back light will remove darkness from to alert you It’s over the high/low alarm value.
【BUILT IN RECHARGEABLE BATTERY】 With 600mAH built-in rechargeable battery, you wish to have to shop for extra 3A battery to power your deceibel meter. It’s more convenient to make use of.
【COLOR SCREEN AND BLACKLIGHT】 Color screen makes data easy to read. With the backlight feature,It’s appropriate for gathering the sound data at night. Backlight auto power off function is provided. With power saving and high-reliability circuit design,well-design high-efficiency power supply circuit makes the batteries more durable
【COMPACT AND STURDY DESIGN】 Composite material injection molding process is adopted for casing with anti-drop structure design. It’s not only extremely wear-resisting, but in addition elegant, It’s a mini handheld portable sound level meter.