1. 3 Data Display in 1 Screen: This LCD digital refractometer can display 3 kinds datas in 1 screen, can display temperature value, sugar value, refractive index at the same time. 2. Wait Free: LCD digital refractometer tester can do quick results in three seconds so there is no need to wait and fast to get datas. Applicable to many fields of fruit, refreshing drinks, carbonated drinks, fruit growing. 3. Temperature Compensation: Sweetness meter tester has automatic temperature compensation function, not affected by the environment, reduce the measurement error caused by different temperatures. 4. Chinese English Bilingual Switching: In the off state, hold down the measurement button of this meter with power button for 6 seconds to switch between Chinese and English. 5. Easy to Clean: Dust protection cover design, digital refractometer tester is easy to clean and suitable for a variety of solution measurement. Anti slip design on both sides, ergonomic, anti slip design on the side. LCD Digital Refractometer Non Slip Dust Proof Cover Digital Sweetness Meter Tester for Fruits Item Type: Digital Display Meter Battery: 1.5V, AAA x 3 Battery (Shipping Without Battery) Use: Applicable To Many Fields Of Fruit, Refreshing Drinks, Carbonated Drinks, Fruit Growing Measurement Range: 0-35% Resolution: 0.1% Accuracy: 0.2% Or 0.5 Refractive Index Display: 1.333-1.426 How to Use:Turn on and use. Color: As Shown Material: ABS Package Contents: 1 * Sweetness Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.