Regarding usage, I used this to boil water for baby bottles when traveling by car. I used it about 30 times and then stored it. Milk, ramen, tea, coffee Car electric kettle The main unit is JL-500-1, 500ml Size: Bottom 6.7cm, Top 8.5cm approximately. Compatible with DC12/24 Please search online for details. About the product: I used it dozens of times, but I handled it carefully and stored it properly. There is no damage such as bending of the cable. The color may look different depending on the device you are using. Returns and Cancellations: We do not accept cancellations after purchase. However, this does not apply if there is a defect or deficiency in the product upon arrival that is significantly different from our product description. In that case, please contact us before evaluating the product. First come, first served.