Feature:1. [Digital Display] Real time temperature digital display, with temperature detection equipment, segment codes screen to display, more intuitive.2. [Cooling Fan] Powerful cooling fan design, good cooling system, a lot of wind intake for cooling, good mute effect.3. [Good Material] Using eco friendly aluminum allloy+ high temperature resistant ABS, it is safer to use in vehicles and healthier for home use.4. [Raised Base] Due to low height of the cup holder for some car models, we have designed a raised base, also increases the heat dissipation effect.5. [Quick Use] It takes 3min to heat up to 58°C‑72°C / 136.4℉‑161.6℉, and 3min to cool to ‑3°C‑2°C / 26.6℉‑35.6℉ (water at 30°C‑35°C / 86℉‑95℉)How to Use:1. Touch switch to turn on for 2 seconds2. Touch the screen to switch heating or cooling modeSpecification:Item Type: Car Cup WarmerMaterial: Aluminum Alloy+ABSWeight: Approx. 475g / 16.7ozVoltage: 12VCurrent: <3APower: 36WTemperature Range: -20℃-60℃ / -4℉-140℉Noise: <40dbApplicable Object: Milk Tea, Standard Travel Mugs, All Kinds of Canned Drinks, All Kinds of Bottled Drinks, Milk Bottles, Bottled Mineral Water Package List:1 x Car Cup Warmer1 x Manual1 x Car Lighter Power Supply1 x Base