This item usually sells for $99.00+. The Dometic TB-08G, formerly known as Waeco TB-08G is a thermoelectric cooler/warmer. It is not a fridge, but a great device to help you keep drinks cool. Thermoelectric devices are very cool they use peltier effect to create a heat flux. Sounds very space age and cool!
You can read about Thermoelectric cooling here: https://en.wikipedia.org/wiki/Thermoelectric_cooling
Because it's thermoelectric it can also be used in warming mode, to help you keep your food warmer longer. Note, it is not a refrigerator, so will not keep your food at safe temperatures. It is also not an oven, so will not keep your food at hot enough temperatures to store food safely at temperature.
Despite this, it can be a great way to enjoy cold water & chocolate whilst travelling. Or if collecting hot food from the shops, where you must travel a while, using it to help keep your food warmer for longer.
They are also very light weight so are easy to carry and store when not in use.
Note: Because it is thermoelectric, it is not the most energy efficient so it's not recommended to run it when the engine is off or risk flattening your battery.
Quick Market Price Comparo
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Not interested, but +1 for the effort in the description. Was an interesting read.