Mini Portable Small Refrigerator Insulin Medicine Refrigerator Box USB Rechargeable Car Refrigerated Box Feature: 1. It can achieve a good heat insulation effect, keep insulin in a safe and cool environment, and can maintain the degree of 8-12 hours. 2. Small size, convenient to travel with insulin, energy saving and environmental protection. 3. This insulin box is made of environmentally friendly materials, durable and waterproof. Product Specifications Product Name: Portable Refrigerator Box Built-in battery life: about 12 hours Dimensions: 240mm 120mm 80mm Internal dimensions: 190mm 45mm 45mm Built-in battery capacity: 10200mAh Temperature control range: 0-18? Rated voltage: household 220V Vehicle DC5V Weight: 780g Rated power: 15W with external power supply, 9W with battery Temperature inside the box: 2-8 C (below 30 C) Package includes 1 Insulin coolerSmall, easy to carry, stylish tote bag for travel, trains and planes. Store insulin in a separate refrigerated space to effectively prevent cross-infection. Power supply: USB cable,wall charger,power bank, car, home, storage battery can be used, suitable for travel, home, commuting, business trip and office. Big inner size: 190 45 45mm. Can put in 3-5 insulin pens, or 9 bottles,or 30 refills.Cold storage temperature: 0-18?. Rapid cooling performance and intelligent temperature control system keep medicines at a safe temperature, one-button intelligent operation, 3 alarm functions, and safer use. The high-definition LED touch screen is simple and easy to understand,Power display and temperature display making it easier for the elderly to operate.The arc angle design of the inner tank prevents the drugs from bumping in the box during the journey. Sandblasting and anodizing process makes the refrigerating temperature lasting.