Generation 1:1. Fast cooling and heating, cooling up to 0 degrees Celsius, heating up to 60 degrees Celsius, constant temperature of about 40-60 degrees Celsius2. Aluminum alloy digital screen button, easy to operate and more beautiful3. On the large and small cup holder design, suitable for different sizes of car cups, more convenient to take4. Concentrated wind power, cooling and heating efficiency faster5. Can be placed in canned beverages, small diameter mineral water bottles, baby bottles6. Hidden power supply, neat and beautiful7. Voltage: DC 12V 8. Power: 36W9. Weight: about 500g10. Size: about 30 x 13.4 x 9.4cm3 generation:1. Fast cooling and heating, cooling up to 0 degrees Celsius, heating up to 60 degrees Celsius, constant temperature of about 40-60 degrees Celsius2. Synchronous gear retractable bracket structure design, suitable for different size models cup holder fixed, easy to install3. Digital screen and switch button integration, hot and cold one key switch, simple and clear display4. Mechanical switch keys, simple and reliable operation5. Minimalist appearance design, metal gray baking paint on the surface6. Small and portable, can be removed from the car bracket on the desk, low noise operation, does not occupy space7. Separate structure design, easy to clean8. Material: ABS, aviation aluminum9. Voltage: DC 12V 10. Power: 36W11. Weight: about 650g12. Size: about 17.2 x 13.6 x 9cmSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 16cm * 12cm * 21cm / 6.3inch * 4.72inch * 8.27inch Qty per Carton 42 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 42 pcs = 7434 pcs40HQ: 412 cartons * 42 pcs = 17304 pcs