Description: This item is made of high quality plastic material, safe and eco-friendly, durable and sturdy to use. The salt tester uses conductivity test to measure the concentration of salt in liquid food for daily diet health analysis. It has colors light indication to tell you concentration of salt. Red shows high salinity, white shows normal salinity. Simple design, easy to carry and use, you only need press the switch ON and put the sensor probe head to the liquid, the result will appear. Great for water filters, vegetable, fruits and drink quality monitoring. Features: Made of high quality plastic material, safe and eco-friendly, durable and sturdy to use. The salt tester uses conductivity test to measure the concentration of salt in liquid food. It has colors light indication to tell you concentration of salt. Red shows high salinity, white shows normal salinity. Simple design, easy to carry and use, you only need press the switch ON and put the sensor probe head to the liquid, the result will appear. Great for water filters, vegetable, fruits and drink quality monitoring, daily diet health analysis. Specification: Condition: 100% Brand New Material: ABS Color: White Battery: 4 * AG13 battery (not included) Product Size: Approx. 25.2 * 3cm / 9.9 * 1.2inch Package Weight: Approx. 70g Package Included: 1 x Electronic Salinity Checker Note: When the measurement is completed, please use neutral detergent to clean the probe. Instruction: 1. Put the probe under the liquid surface, the result will appear. 2. 7 red LED for indicating salt concentrations: 0.3%~0.6% (moderate), 0.8%~1.0% (thick), 1.3%~2.0% (very thick). 3. One green LED is power indication.