TA8151 Sound Level Meter is an instrument designed to measure ambient sound levels. It's equipped with condenser microphone, which combines precision with stability and reliability, widely used in environmental noise testing, quality control, safety management in factory, school, community, office, construction site, etc.. Features: Able to measure sound level from 30dB to 130dB, with auto-range function, it makes your measurement fast and accurate. Equipped with condenser microphone, which can pick up sounds with great detail and accuracy, making it a reliable and stable instrument. With backlit LCD screen, it offers great convenience when working at night or any dark places. Able to take maximum and minimum value measurement, and provides FAST and SLOW two speeds of measurement. Practical functions including data hold, low power indication, and auto power off. With protective rubber case to protect the instrument, making it durable and impact-resistant. Widely used in factory, school, community, office, construction site, etc. for environmental noise testing, quality control, safety management and more. Specifications: Material: ABS : TASI Model: TA8151 Measurement Range: 30~130dB Resolution: 0.1dB Accuracy: 1.5dB(94dB@1kHz) Frequency Range: 31.5Hz ~ 8.5kHz Display: 3 digit display(MAX.1999) Response Time: (Fast)0.5s;(Slow)1s Microphone: 1/2inch electret condenser microphone Power Supply: 2 * 1.5V AAA battery (Not Included) Operating Condition: 0~40; 10%~80%RH Storage Condition: -10~60; 10%~70%RH Item Size: 205 * 55 * 30mm / 8.07 * 2.16 * 1.18in Item Weight: 100g / 3.52oz Package Weight: 240g / 8.46oz Package Size: 24.7 * 9.2 * 5.2cm / 9.72 * 3.62 * 2.04in Packing List: 1 * Sound Level Meter 1 * Foam Ball 1 * Storage Bag 1 * User Manual (English) 1.We ship worldwide by China post,HK post EMS,DHL, Fedex,and so on,according to your choice when placing orders.we are unable to control the delivery time,because it is processed by the Third-party service. 2.If you didn't receive the item after 45 days,please contact us first,and do not open the dispute directly,we will solve it quickly and in the best way. 3.Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery. 4.Service transit time is provided by carrier and excludes weekends and holidays.Transit times may vary,particulary during the holiday season 1 . If you are satisfied with our products,please give us 5 Stars Positive Feedback.Thank you very much. 2 . If you are not satisfied our the products,please contact with us firstly.We will try our best to resolve the problem. 1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from . OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised. We are always welcome and . 1. Remove our logo and ad from parcel. 2. Remove receipt or invoice. 3. Support CSV/Excel Service. 4. There is no limited stock to fulfill the orders on a daily basis. 5. We use ePacket shipping for most countries, such as United States, Canada, Australia, Russian Federation, Germany, France , Spain , United Kingdom and New Zealand. 6. Priority shipping, fast shipping within 48 hours. 7. No promotional materials included.