Features Easy to Use: Place the probe at least 2cm / 0.8in above the liquid surface and will get accurate data. Display: With 7 LED indicator light displays, red light indicates salt concentration, green LED light indicates power supply. Salt Concentration: Test method for conductivity for determination of salt concentration in liquid foods. This Salinometer is using the handheld design and non-slip pen type handle for easy operation Portable: This Salinity Tester has a compact size and light weight, it is also easy and portable to carry, convenient for your using in anytime and anytime The pen type salinity meter is a precision instrument for testing the salinity value of a solution. Features: 1. Place the probe at least 2cm / 0.8in above the liquid surface and will get accurate data. 2. Salt Concentration: Test method for conductivity for determination of salt concentration in liquid foods. This Salinometer is using the handheld design and non-slip pen type handle for easy operation 3. With 7 LED indicator light displays, red light indicates salt concentration, green LED light indicates power supply. 4. Compact size and light weight, easy and portable to carry, convenient to use. 5. The pen type salinity meter is a precision instrument for testing the salinity value of a solution. Specification:  Condition: 100% Brand New Item Type: Salinometer  Material: ABS+Copper Liquid Level Indication: 0-2.0% Power supply: 3 x LR44 Button Battery (Not Included) Environment Temperature: 0-80℃ Package List:  1 x Salinometer   1 x Fluid Container 1 x Instruction  Package List