This small and portable digital sound level meter is small and portable, which is designed to meet the measurement requirements of security, health, industrial security and sound quality control engineers in various environments such as factory, school, construction, etc. Features:LCD display with switchable backlight for easy reading, convenient to use. Wide measuring range: 30-130dBA, resolution: 0.1dB with fast response. Min/Max./data hold function. Low battery indication, manual/auto close off. Portable and easy to use, suitable for checking, monitoring or controlling sound level for individuals, families, business, studios, industries, etc. Specifications:Material: ABS Sound Range Measuring Range: 30-130dBAnaccuracy: ± 1.5db (94db at 1KHz)Frequency Response: 31.5Hz-8KHzFrequency Weighting Features: WeightingResolution: 0.1dBTought Temperature & Humidity: 0 - 40°C, 10% - 80% RHTstorage Temperature & Humidity: -10°C - 60°C, 0% - 90% RHuction: AAA Battery 3*1.5V Product Size: 178*56*30mm / 7.01*2.20*1, 18inProduct Weight: 96g / 3.40ozPackage Weight: 210g / 7.41ozPackage Size: 22*11.7*4.2cm/8.66*4.60*1, 65inPackage List:1*Sound Level Meter3*Battery1*User Manual (English)Many questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis