Thank you for viewing. A health salt meter that can measure salt concentration from 0.3% to 1.5% with a 7-level display. - Model: EN-900 - Function: 7-level salt concentration display - Measurement range: 0.3% - 1.5% - Power source: Battery operated - Included features: Hook hole This is a brand new, unused item. Please feel free to ask any questions in the comments.