This electric water warmer bottle is made of stainless steel and PC, featuring a 450mL capacity and a quick heating function that can boil water in about 25 minutes. It is designed for use in cars, with a 12V and 24V compatible plug, and comes with a manual for easy operation. The product is shockproof and has a low noise level, making it comfortable to use. It is also easy to clean and maintain, with a tightly sealed lid to prevent leakage. The package includes the car heating cup, plug, and manual.