I recently bought this for my wife, but she trusts her own taste more than any machine and hasn't used it once, so I'm putting it up for sale. It's been opened but is unused. Instruction manual included. No box. Tanita Salt Meter Shio-mi Spoon SO-302 White D1.3xW16xH2.8cm [Product Description] ● Approximately 2000 uses (3 meals a day x 666 days) of disposable salt meter ● A salt meter that easily checks salt concentration. ○ Recommended for those who want to be careful about their salt intake and those who are supporting salt reduction. ● Displays salt concentration of 0.6% to 1.2% in 3 stages with LEDs. ○ Can measure in the range of 60℃ to 80℃. ● Splash-proof specification that is okay to get wet. ● Battery life is approximately 2000 uses with 10 seconds of use per time. Thank you.