Thermoelectric cooler & warmer (Mini fridge) 1. Liter Capacity: 4L 2. Cooling System: Environment-friendly Peltier cooling. 3. Hot/cold, on/off switch. Red/green LED indicate warming or cooling 4. Colors to customer specifications 5. Cold effect: Cooling 18-20 degree Celsius below ambient temperature. 6. Hot effect: Warms to 60-65 degree Celsius by the heater 7. Convenient-plug into any DC 12V.24V.36V cigarette lighter in car, boat and anyAC 100V~120V or 220V~240V safe adapter indoors 8. Ideal for home, office, car and outdoors 9. International certificate: CE, GS, RoHS (The data is for reference only, it maybe will change according to customer demands) Power Consumption: Packaging Unit 1pc in a color gift inner box (27.6x21x30.5cm) 4pcs in a master box (57x44.5x32.5cm) N. W.: 10.0KGG. W.: 11.0KG 1, 450pcs per 20' container 2, 950pcs per 40' container