Safety Protection System
Passed ROHS Certificate. Automatic shutdown to protect car battery when voltage <10.5V
Easy to Plug and Play
Just connect directly to the cigarette lighter through the adapter cable when using, the general base size of most cars is less than 2.75 inches
Compatible with Most Coffee and Beverage Bottles
Suitable for hot water cups, coffee, tea, beverages, etc. whose length is less than 2.8IN. Our coffee cup thermostat is suitable for bus, truck or car