The Portable Insulin Refrigerator Is Designed To Provide A Convenient And Economical Way To Keep Medications (Such As Insulin Or Other Injected Medications) At A Safe Temperature. ? 18650mAh lithium battery, long standby time ? Set low battery, high temperature, low temperature alarm ? Intelligent temperature control ? Touch design ? Smart LED display ? 30db silent design ? Different charging methods ? Green heat dissipation, scratch-resistant, environmentally friendly. ? Product specifications: Product name: portable refrigerator Battery life: 8-36 hours Weight: 2 kg Temperature in the box: 0-18 Battery capacity: 6800mAh Cooling temperature: 2-8 C (ambient temperature 30 C) Support voltage: AC 110-220V USB 5V2.1A Product size: 21 14 5.5cm Cooling size: 19.2 6.2 2.5cm Packing List: 1. Cold Box Host 2. Suitcase 3.USB Power Cord 4. Home Adapter 5. Lithium Battery (With Battery Version) Precautions: 1. No Water Is Allowed In The Machine To Avoid Contact With Liquid. 2. The Ventilation Holes On The Bottom And Both Sides Keep The Air Unblocked. When Loading A Portable Backpack, The Ventilation Holes Of The Backpack Must Be Aligned With The Heat Dissipation Holes. It Is Strictly Forbidden To Put The Refrigerator In A Sealed Bag, Otherwise It Will Cause Poor Wind, Increase The Temperature In The Box, And Damage The Medicine. 3. When Going Out, Please Prepare A Reasonable Number Of Battery Packs According To The Length Of Travel Time To Ensure The Normal Use Of The Machine. ? I sincerely hope that the patient will recover soon!?v?Alarm Reminder System?: When the power of the machine is low, the cold box will hum intermittently, reminding the user to replace the battery or charge it in time. Medicines should be stored separately to avoid cross infection. ?v?Multiple power supply methods?: mobile power supply, car charger, plug-in charging, battery power supply are all available, suitable for travel, home, office, business trip. Can store medicines, cosmetics, etc. ?v?Lightweight and low noise?: The medicine refrigerator is light in weight, easy to carry, adopts high-quality brushless fan, and the noise is less than 30 decibels during normal operation. Quieter and longer-lasting features than ever before for a restful and comfortable night's sleep. ?v?Large Capacity?: Our insulin refrigerator can hold about 4 insulin pens or 7 bottles or 15 refills the refrigerator cools quickly in ten minutes, and can also store insulin, eye drops, commonly used drugs, serum reagents, etc. ?v?High-definition LCD touch screen?: Simple and easy to understand, power display and temperature display, it is more convenient for the elderly to operate. The arc angle design of the inner tank prevents medicines from colliding with the box during the journey. Sandblasting and anodizing processes keep refrigerated temperatures long lasting.