He is worried that he won't be able to refrigerate the medicine during the trip Our refrigerated box with insulin cooler is lightweight, easy to carry, with temperature adjustable from 0 to 18 and multiple charging methods. When you travel long distances, you no longer need to worry about medication not being refrigerated Features: 1. The 10200 mAh lithium battery for drug refrigerators and insulin refrigerators can be used for 8 to 24 hours 2. The portable insulin refrigerator has a fast cooling system that can cool down quickly within 10 minutes 3. The travel medicine refrigerator has a LCD screen, which is convenient for the elderly to use 4. The travel insulin refrigerator has a large capacity of 260 milliliters and can be used for storing insulin, medication bottles, or charging. Specification: Product Name: Insulin Refrigerator Refrigerator Product size: 21 15 6cm Product weight 1.8kg Adjustable temperature: 0-18 Battery voltage: 11.1 V Battery life: 8-24 hours Charging method: battery powered, USB plug charging Features: Small size, easy to carry, suitable for travel Package includes: 1x travel medicine refrigerator 1x package 1x 3x batteries 1x USB interfaceLightweight and quiet: The suitcase with insulin cooler is lightweight and easy to carry when going out. Silent operation below 22 decibels can provide you with a quiet environment and multiple charging methods, making it your good travel companion. Keep the medication freshest: The inner cans of the medication refrigerator and insulin refrigerator are made of aviation aluminum, and the corners of the arches are designed to prevent damage to the medication during travel. In addition, the oxidation process prolongs the cooling temperature and keeps your medication at an appropriate temperature. Reminder system: The portable medicine refrigerator has an alarm reminder system. When the battery is low, the refrigerator will indirectly emit a buzzing sound, reminding you to replace the battery or charge it in a timely manner. Our battery uses a 10200 milliampere hour lithium battery for a duration of over 8 hours. Refrigeration system: The intelligent touch button design of the travel medicine refrigerator allows you to easily and accurately control the temperature Large screen high-definition LCD display, real-time temperature display, easy to understand, and easier for elderly people to operate,. Features - Refrigerator with insulin cooler - Temperature adjustment 1, 0-18 ?, intelligent touch button, precise temperature control 2.10 minutes of rapid cooling 3.22 decibels low noise and silence 4. Small portable travel.