This UNI-T UT353BT Mini Sound Level Meter is featured with wide measuring range (30-130dB), which could connect your phone by Bluetooth. It can be widely used for monitoring sound level in homes, office, schools, factories, construction site, etc.

Features: 

1. Built-in Bluetooth system, can export the data by Bluetooth.
   LCD display with backlight, easy for reading.
2. Wide measurement range from 30dB to 130dB.
   Measuring unit is switchable: Fast or Slow.
   Includes data storage and data transmission function.
   With maximum and minimum value measurement.
   Equipped with sponge ball.
   Low battery indication, automatic & manual power off function.
3. Compact and light, convenient to hold and carry.

Specifications:

1. Brand Name: UNI-T
   Color: Red
   Material: ABS Plastic
2. Display: LCD Display
   Measuring Range: 30～130dB
   Accuracy: ±1.5dB
   Resolution: 0.1dB
   Frequency Response: 31.5Hz to 8KHz
3. Sampling Rate: 125ms(fast mode) / 1s(slow mode)
   Operating Temperature: 23°C±5°C(<=80%RH)
   Storage Temperature: -20～60°C(<=80%RH)
   Overload Indication: OL
   Auto Power Off: 5min
   Altitude: Max.2000m
   Power Supply: 3 * 1.5V AAA Batteries(Included)
4. Operation System: Andriod 4.3, ios 8.4, Bluetooth 4.0 or more
   Item Size: Approx. 15 * 5.1 * 2.7cm / 5.9 * 2 * 1.1in
5. Item Weight: Approx. 80g / 2.8oz

Package Include:

1. UNI-T UT353BT Mini Sound Level Meter
2. User Manual(English)
3. 1.5V AAA Batteries

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