30L 1.Thermostat control(From 30℃-110℃) 2. all our different size urns have a water level gauge, which ensure you never run out of hot water, there is also a 2 way non-drip faucet, enabling the water to be cut off as soon as the tap is released. . helping increase hygiene levels and reducing bacteria levels on spillages, reduces any mess that may occur with some other catering urns after the tap is closed. 3.There is an inbuilt safety feature with its lid "twist and lock" on top of the base unit, simply twist the lid, locking it into place into the carry handles. This simply but effective feature protects the user, or anybody else from scolding or any other harm in the unlikely event that it may get knocked over.