Product Informationtimer Display Range: 1:00-12:59,Temperature Range: -50~+70 (-58~+158),Accuracy: +/-1,Temperature Higher Than -20 Resolution: 0.1,Temperature Lower Than -20 Resolution: 1. . Time Settingpress Fsw Key to Change Lcd to Time Display.Hour Setting (Hr Key): Add 1 Hour Per Press, Over 12 Then Counting from 1.Minute Setting:Add 1 Minute Per Press, Over 59 Then Counting from 00. . Widely Applicationclear Lcd Display, Celsius & Fahrenheit, Time Display Function Conversion Function, Convenient for Your Reading Data and Daily Use.Easy to Operate and Widely Apply to Refrigerator, Air-Condition, Freezer, Fish Tank, Home, office, Car Etc. . Double Meter Probesa Is Built-In Sensor Probe for Detecting In Door Temperature Around.B Is Outside Sensor Probe, Place It In The Place Where Need to Be Measure Temperature, The Lcd Will Display Temperature Data.High Accuracy, Visual Display. . Quality Guaranteein Every Link of The Manufacturing Process, The Quality Is Strictly Checked, Aiming to Provide Consumers with High-Quality Products. If You Have Any Questions About Our Products, Please Contact Us. We Will Be Very Happy to Answer Your Questions and Solve Your Problems. .