Description: TEMPE CONTROL - You can set any temp from 10 °C to 90°C . Easy to use add coffee or other drinking into mug and use "+" or "- " button to set temp then press power button to start . Suggestions: you can set Coffee 65 degree ,tea 55 degree ,baby milk 40 degree,Noodles 90 degree.100 Fahrenheit scale=38°C 110Fahrenheit scale =43°C 120 Fahrenheit scale =48°C 130 Fahrenheit scale =54°C 140 Fahrenheit scale =60°C 150 Fahrenheit scale =65°C 160 Fahrenheit scale =71°C 170 Fahrenheit scale =76°C 180 Fahrenheit scale =82°C 194 Fahrenheit scale =90°C LCD TEMPE DISPLAY - You will get your coffee temp before drink .LCD have two color model .LCD will display the actually temp and working status. RED is heating BLUE is constant your temp or standby. Your drink is waiting for you when you see BLUE light. INNER CUP CLEAN- We need to wash inner cup after we drink coffee,Screw out inner cup and you will take out stainless steel inner cup for washing.PLEASE NOTE- Put inner cup back after it dry and be sure assemble in place .Easy and Convenience. SAFE FOR USE- Smart coffee mug system will shut off automatic when system test abnormal work.For example no water in mug, voltage too high or too low .Our system will stop and display error code"ER" ,you will have problem but not broken. MORE USE- Please choose our adapter or other suitable adapter (110v-12V6A) in market ,You will find error which review video display ,he use lower adapter so it can't use and display error code Specification: Material:304 steel +PP Item Weight:16 Ounces Item Dimensions LxWxH:7.8 x 4.5 x 3.7 inches Capacity: 100-500ml Package Includes: 1x 12V Car Heating Cup 1x cable