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 coldHigh definition large screen at a glance, intelligent low power prompt / high temperature prompt / low temperature promptBuilt-in lithium battery can work for 8 hours, low decibel work, low bass noiseCan 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:AC110VColour:WhiteMaterial:Metal+plasticPackage Contents:1 * CoolerOnly 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.