It is an easy-to-use instrument for testing the quality of drinking water, aquarium, swimming pool and so on. It is multifunctional and can test PH/EC/TDS/salt/G.S/temperature. Features:6-in-1 Multifunction Tester: PH/ EC/ TDS/ SALT/ G.S/temperature, short press the "MODE" button for easy switching. Temperature Unit Switchable: °C/ °F. Rotate to remove the protective cover, immerse the electrode in the test solution. Easy, accurate, fast and stable to use. Digital screen with backlight, greatly improve your reading experience, 3 x LR44 batteries powered (not included), automatic power off to save power. The instrument has a memory function, if you turn it on, it will enter the last test mode before shutting down. The water quality analyzer can be used to distinguish between drinking water and non-drinking water, and can test water from aquarium, swimming pool, hydroponics, laboratory, etc. Compact and lightweight, easy to store and carry. Please clean the electrode with distilled water and dry the electrode with filter paper. Note:Please read the user manual carefully before use. Specifications:Color: Grey & GreenMaterial: ABSCorld:PH: 0.00-14.00PHEC: 0-19990mu; s/cm, 0-199.0ms/cmTDS: 0-9990ppm, 0-199.0pptSalt: 0-199.9ppt, 0-99.9%S.G: 1.000-1.400Temperature: 0-50 °C (32-122 °F)Resolution:PH: 0.01PHEC: 1 mu; s/cm (lt; 1999 mu; s/cm), 10 mu; s/cm (gt; 1999 mu; s/cm), 0.1ms/cmTDS: 1ppm (lt; lt; 1999ppm), 10ppm (gt; 1999ppm), 0.1pptSalt: 1ppm (lt; 1999ppm), 10ppm (gt; 1999ppm), 0.1ppt, 0.01%S.G: 0.001Temperature: 0.1°C (0.2°F)Power Supply: 3*LR44 (Not Included)Temperature Compensation: 0-50°C Product Size: 180*45mm/7.09*1.77inProduct Weight(Without Battery): 104g / 3.66ozPackage Size: 23.5*9.5*6cm/9.25*3.74*2.36inPackage Weight: 183g/6.43oz Package List:1 * Multi-Function Water Sampler1 * User 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