The CW003G Cooler and Warmer box keeps your lunch hot for up to 5.5 hours or drinks cold for up to 13.5 hours with one XGT 4.0Ah battery. It can also be used via the car's cigarette lighter or mains. The 7L capacity allows storage of six 500 ml plastic bottles vertically. Supplied body only - batteries and chargers sold separately. It has a compact and convenient size, with dimensions of 210mm (length) x 150mm (width) x 220mm (height). It features 7 temperature settings for both cooling and warming. Cooling capacity ranges from -18 to 10 degrees C, and warming capacity ranges from 30 to 60 degrees C. It can be powered by four sources and includes a USB output port (5V/2.4A) for convenient mobile device charging. The storage box has a lamp and LED display. It utilizes a compressor type cooling system for excellent cooling capacity and an LED display for clear indication of inside temperature and battery fuel gauge. It is IPX4 water resistant when powered by battery and the battery box is equipped with a lid for protection against water. A bottle opener is conveniently located for opening glass bottles. Not compatible with G-Series batteries.