Continuous cooling, very convenient for cooling insulin / interferon / serum / eye drops. Aluminum alloy insert, sandblasting technology, food grade material, large interior, integrated casting, collision protection, lockable cold High definition large screen at a glance, intelligent low power prompt / high temperature prompt / low temperature prompt Built-in lithium battery can work for 8 hours, low decibel work, low bass noise Can be directly connected to charging treasure / car / house / battery 12 V / 220 V direct charging. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage:AC110V Colour:White Material:Metal+plastic Package Contents: 1 * Cooler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.