Description: For easy reading, the salinometer has LED light, digital display and color discrimination. An accurate probe on this salinity meter guarantees fast and efficient measurements. This salinity meter is made of high-quality plastic and metal material. The length is 19cm and width is 2cm. This salinity meter is suitable for home, aquarium and so on. Item Name: Salinity Meter Material: Plastic, Metal Features: High Strength, Anti Corrosion, Waterproof Power Supply: 3 x Button Battery(Included) Display Mode: LED Light Display Resolution: 0.02 Supply Voltage: 4.5V Ambient Temperature: -10 to 40 Degrees Celsius Test Accuracy: 0.2 Percent Test Temperature: 0-80 Degrees Celsius Test Range: 0.3-1.5 Percent Size Details: L: 19cm/7.48", W: 2cm/0.79"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Salinity Meter 1 x User Manual 1 x Spoon Head