?Features: 1. Refrigerated insulin/interferon/growth hormone/vaccine/eye drops and other medicines 2. A variety of power supply methods, USB charging, can be connected and charged in cars, homes and other devices. 3. Built-in batteries, which can be carried on the plane. 4. Portable size suitable for travel or home use. ? Product specifications: Product name: portable refrigerated box/ medicine cooling box Smart adjustable temperature: 2-25 ° C Voltage: 220 V (AC), 12 V (DC) Inner dimensions: 17.6 * 5.9 * 2.6 cm Standby time: 6-8 hours Lithium battery capacity: 12000mAH ?Note: Since there are certain errors in manual measurement, please refer to the actual product✓A variety of charging methods, you can use the computer USB, home, car, charging treasure, can be used anytime, anywhere. Can store medicines, cosmetics, etc. ✓3D all-round cooling system, built-in silent fan, solve the problem of poor heat dissipation of the machine, leading to drug failure. ✓When the machine is running, the sound is less than 30 decibels. High quality cooling system to solve the problem of medicines coming out of the refrigerator. ✓Intelligent temperature control, high-definition LCD screen, high-quality aluminum alloy liner, strong heat preservation, low noise, quiet, does not affect sleep. ✓Insulin Cooler Box is designed to provide a convenient and affordable way to keep medicines (such as insulin or other medicines that are injected,) at a safe temperature.Adjustable Temperature Control: Yes. Pattern: Solid. Form Factor: Chest. Number of Doors: 1. Installation Type: Freestanding. Special Feature: Portable. Brand: ZCM-JSDS. Number Of Doors: 1. Country of Origin: China. : B09MLB5RV8. Manufacturer: ZCM-JSDS. Item Weight: 2.64 pounds. Package Dimensions: 3.94 x 3.94 x 3.94 inches.