Product Description

Product description
Function Range Resolution Accuracy Description 
Sound Level 30-130dB 0.1dB ±1.5dB Rate response: 31.5Hz-8KHz
Sampling Time Fast/Slow 125ms/1000ms
Overload indication Shows "UN" and "OL"
MAX/MIN Measurement Shows "MAX/MIN"
Data Hold/Backlight Shows "HOLD" and turns backlight on or off
Auto Power off Automatically power off after 5mins without operation
Low battery indication 3.0-3.5V Shows low battery prompt when power is 3.0-3.5V
Battery: 3 * AAA 1.5V batteries( included)
Size: 150 * 52 *27mm
Weight: 116g
Package:
1 * sound meters
1 * Blister
1 * wind-proof ball
1 * English munual
Note:
Please read relevant information carefully and observe all the warnings and note strictly. 
Sometimes, the readings will change at a range due to the influence of the exposure to electromagnetic fields, then just get any one within those readings. 
The meter can be cleaned with soft clean cloth to remove any oil, grease or grim. Do not use liquid solvent or detergent.