Fangrui Product Details Features: This Portable Handheld Penetrating Ph Meter Is Suitable For Soil And Food Processing Use, Such As Fruit, Vegetables, Jam, Paste, Bread, Gel, Some Kinds Of Meat, And More Kinds Of Semisolid Food. It Can Also Measure The Temperature Of Solution, Measuring Temperature Ranges From 0to 50 Unit Switchable For Meeting Needs. Digital Lcd Screen With Backlight, Clear At A Glance, Easy To Read Even In Dark Environments. Powered By 2 Aaa Batteries (not Included), Auto Shutdown To Save Energy. Alarm Function: When The Ph Is Below 3.5 Or Above 12.5, The Red Backlight Lights Up. When The Ambient Temperature Is Below 0 The Lcd Displays Lo, When Above 50 It Displays Hi. High Precision Detachable Probes Are Easy To Use And ; 0-50automatic Temperature Compensation Ensures Accurate Results; Data Hold Function For Convenient Reading. Specifications: Screen: Digital Lcd With Backlight Ph Measuring Range: 0.00-14.00 Ph Accuracy: 0.05 Ph Repeatability: 0.01 Solution Temperature Measu