Designed to heat beverages and refrigerated beverages on car , and maintain warmth at 60 Celsius, Or cool to 3 Celsius, with electronic thermostat function. The cup is made of ABS+ environmentally friendly aluminum with good insulation and durability. Anti-slip rubber base, keep the cup stable. Excellent fit for drivers, enjoy a hot coffee or water Or a Cool Beer and beverages . Project: Car smart warm cup Rated voltage: DC12V Rated power: less than 36W Rated current: less than 3A Working temperature: -20 Celsius -60 Celsius Colour: black Material: ABS+aluminum Size: 166mm Package Contents: 1 * Car heating and cooling cup 1 * Car charger 1 * Base 1 * Instruction Only the above package content, other products are not included. Note: Light 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.