Premium 2-in-1 Car Cup Warmer Cooler Smart Car Cup Mug Holder Holiday Seasonal Present | Perfect Car Tumbler Holder for Commuter/Traveler/Road Tripper/Recreation

EASY PLUG AND PLAY - Just connect directly to cigarette lighter by adapter cable when using and general base size less than 2.75 "" for most cars. HEATING AND COOLING - Keep your beverage cool or coffee hot in 10 minutes. Two press buttons, red LED light for HOT mode , heats up to 140℉, blue one for COLD mode , coolest at 21℉. SAFE PPOTECTION SYSTEM - Pass the ROHS Certificate. And it will be automatic shutdown to protect the car battery when Voltage < 10.5 V. APPLICATION - Enjoy your cold beverage in summer or hot coffee in winter, whether traveling, working or outdoors. WARRANTY - 100% Customer Satisfaction Guaranteed. Free replacement for defect 1