Mini Refrigerator USB Rapid Cooling Electric Fridge Cooler Warmer for Cosmetics DrinksBlack 18W Item Type: Refrigerator Material: ABS+PVC Color: Black Product Voltage: 5V-9V 2A Diameter of Refrigeration Plate: 68mm / 2.68in Rated Power: 10W-18W Weight: Approx. 716g / 25.3oz Product Size: Approx. 105x110x220mm / 4.1x4.3x8.7in How e: The minimum system requirements for using this product to run a mini refrigerator, please read this manual carefully and keep it for future reference. Note: It is recommended that this machine use 9V 2A power input, and 5V 1A can also be used normally. 1. Connect 9V 2A to the mini refrigerator, press and hold the power button for 3 seconds, the cooling device will start, and then press and hold for 3 seconds to shut down. 2. Short press the power button to switch between temperature mode and cooling mode. 3. Short press the screen control button, the TFT screen on the front panel of the machine will light up and work, you can put photos, videos, advertisements, etc. (this function is optional, not available when 5V input) Before using this product, please read this manual carefully and keep it for future reference. Safety: This product is designed with great attention to safety. However, if used improperly, electrical equipment may cause fire, electric shock or person injury. In order to ensure accident-free operation, please follow the following guidelines: 1. Stop using: Unplug the 9V 2A power supply, if the equipment is not operating normally, produces unusual sounds or smells, or becomes too hot to be touched. 2. Do not expose the mini refrigerator to high temperature, high humidity or direct sunlight. 3. Do not expose the mini refrigerator to dust, smoke or steam. 4. Do not let small particles enter the mini refrigerator. 5. Do not place the small refrigerator on a surface that cannot be placed or is susceptible to vibration. 6. Do not discard the small refrigerator or subject it to physical shocks. 7. The small refrigerator should be closed when not in use. 8. If the mini refrigerator performs an undeletable function, unplug the power plug and reset the refrigerator.