Temperature Control: The insulin cooler box can be to maintain a stable temperature range from 2-18 to protect insulin from hot temperatures. The temperature is also manually adjustable. Portability: The insulin cooler case is equipped with a convertible shoulder bag, easy to carry for travel, picnic and hiking. Battery Life: This insulin cooler box is equipped with a batteries and charging accessories, to that insulin stays cool, even in the long flight. The insulin case can be used by plugging in or by using batteries which are also rechargeable. Big Capacity: The cooler box has enough space to fit multiple vials or pens of insulin. Durability: The cooler box should be made of high-quality materials that its and sturdiness. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: As Shown Material: metal Package Contents: 1 set x medication refrigerator 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.