Check the listing for details. TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppm. Color: White, Condition: New. Listed at 6.99 USD. TDS Meter Digital Tester Water Quality Testing Kits for Drinking Water 0-9990ppmOverview -conductivity: 0-9990us / cm, tds: 0-9999ppm -degree Celsius: 0.1-80.0 ℃ -Fahrenheit: 32.0-176.0 -accuracy: ± 2% -Material: abs -Size: 152*31mm -Battery: button battery Features -3 in 1 digital tds meter can provide accurate readings of tds ec and temperature. -Tds instrument has automatic temperature compensation in measurement mode. -5 minutes automatic power off. Save energy and extend battery life. -Multi-mode conversion: There are 4 different modes for tds ec instrument. Press the shift to switch between different modes. -Mode memory function. Each start mode is the default mode used before shutdown. Description -Tds water meter is a professional water level tester with easy operation, fashionable appearance and small volume. -It is very suitable for all water quality testing, water treatment applications, wastewater regulation, aquaculture, hydroponics, laboratory and scientific testing, pool, ecological testing, colloidal silver, water treatment etc. Note -Due to different monitor and lighting effect, the actual color of the item may be slightly different from the color shown in the pictures. Thank you! -Please allow slight measurement deviation due to manual measurement. Package Included 1 x Water testing pen (battery included)PaymentShipping & HandlingReturns PolicyContact USFeedbackPaymentShipping will be arranged only your payment is cleared.We accept payment by PayPal only.Shipping & HandlingWe ship the same business day if paid by 4pm EST(1pm PDT).We don't ship to APO/FPO and Post Office box addresses, Alaska, Hawaii and Puerto Rico.No shipping on Weekend or Public Holidays & No responsibility for any customs duty.Returns PolicyWe offer a 60 day money back guarantee or exchange.Buyer pays return shipping and we pay replacement shipping.If you want to initiate a return,please contact us to get a returning address before sending the item back.Contact USWe hope that every transaction can have a happy ending. And if you have any more problems, please feel freeeee to contact us. we'll do what we can to help. FeedbackWe believe communication can result in a happier ending before you leave a red or gray feedback. And this account is my baby. I do care about it and will do what I can to protect it.