Features: 5 in 1 multifunctional water sampler: it can check the water quality of WE, TDS, S.G, salt, and temperature with a simple and quick way. 1.1 inch Screen: With backlight for convenient and easy reading of test data. High-precision probe: with high performance and high reliability to get accurate result and fast measurement. Lightweight and Pocket-sized Size: Easy to use, the digital water quality tester is portable to carry. Wide applications: it can be used in the field of fishing, aquaculture, laboratory to test the quality of drinking water, swimming pool, fish tank, etc. Specifications:Material:ABSCorld:EC: 0 - 19990us/cm, 0-199.0ms/cmTDS: 0 - 9990ppm, 0 - 199.0pptSalt: 0 - 199.9ppt, 0 - 20.0%S.G: 1.000 - 1.400Temp: 0 - 50 °C (32 - 122 °F)Resolution:EC: 1us/cm(lt; 1000us/cm), 10us/cm(gt; 1000us/cm), 0.1ms/cmTDS: 1ppm(lt; 1000ppm), 10ppm(gt; 1000ppm), 0.1pptSalt: 1ppm(lt; 1000ppm), 10ppm(gt; 1000ppm), 0.1ppt, 0.01%S.G: 0.001Temp: 0.1°C (0.2°F)Accuracy: EC, TDS, salt: ± 2%F.S; Temp: ± 1.0 °C(± 2.0 °F)Power Supply: 1*3V CR2032 Button Battery (Not Included)Temperature Compensation: 0 - 50 °C Working Temperature: 0 - 50 °C Product Size: 155*30*16mm / 6.10*1.18*0, 63inProduct Weight: 41g / 1.47ozPackage Weight: 64g / 2.26oz Package Size: 18.5*7*2cm / 7.28*2.76*0, 79in Packing List:1 * Digital Tester1 * Manual (English)Many questions about Dropshipping services are as follows: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