-Support DC12V DC, AC110V 240V, 3.7V battery, support car charging work, support power adapter work. -Large LCD display, clear display of time and refrigeration temperature,'C' and'F' are interchangeable -Antifreeze function, -Environmental protection: adopt thermoelectric cooling -Insulin preservation knowledge: The refrigerator can maintain the same activity for 2 to 3 years at a temperature of 2 to 8 degrees. Store at 15 degrees Celsius to 25 degrees Celsius for 6 weeks. Product name: Insulin refrigerated box Color: black and white Size: 22 15 6CM Material: ABS Weight: 1.1kg Default configuration 1 x Mini insulin refrigerator 1 x Lithium battery 1 x bag 1 adapter -The large screen displays the time and temperature. -Large capacity can store multiple insulin pens. -Low battery alarm. -High temperature alarm. -Low temperature alarm. -20-40db silent fan. -The power adapter can be connected for a long time.- Portable refrigerators (more appropriately called "medicine and insulin refrigerators"), our products adopt the most professional high-tech semiconductor refrigeration and heat insulation technology, the design is simple and generous, and creates a high-quality and comfortable life. - Vehicles and outdoors. When the air conditioner is turned off, the vehicle temperature will exceed 100F within a few minutes. Cars, trucks, boats, RVs and motorcycles, and outdoor activities require refrigerated medicines. - Except for business trips, it can be used at work and at home. Many working environments reach extreme temperatures. Even the climate control zone can be closed at the end of the working day. Most people prefer to store insulin in a private place rather than in a shared refrigerator. - Traveling often exposes drugs to extreme temperatures. When storing medicines in suitcases, trains, airplanes, hotel rooms (the power is usually turned off when guests leave the room), bags or backpacks, you need a reliable way to maintain the correct temperature. This medicine refrigerator is the solution. - The insulin cooler is designed to provide a convenient and economical way to keep medicines (such as insulin or other injected medicines) at a safe temperature under the following conditions.