This is a health salt meter from dretec. It displays salt concentration in 7 levels with a 3-color LED, allowing you to easily see if the concentration is "high, medium, or low." It's convenient for checking the salt content of your daily miso soup and soup. [Features] ・7-level display with 3-color LED ・Compact and easy-to-carry size ・With hook hole ・Includes batteries (alkaline button batteries LR44 x 3) [Specifications] Measurement method: Conductivity measurement method Measurement range: 0.3% to 1.5% Measurement accuracy: ±0.2% (5℃ to 45℃) Operating temperature and humidity range: 0℃ to 50℃, 80% RH or less Size: Approximately W22 x D14 x H188mm Weight: Approximately 25g This item is new, unused, and unopened. Please refrain from purchasing if you are concerned about it being stored at home. Thank you for viewing. ☆It will be shipped in a cushioned envelope with bubble wrap inside.