Variable heat settings 1.5kW min to 4.2kW max. Piezo ignition. Oxygen Depletion System & safety valve. Flame failure device. Cylinder size 7Kg butane. Castors for easy movement. Dimensions: H59.5 x W42 x D27 cms. Supplied with factory fitted 21mm clip on butane regulator. When purchasing butane please ensure the bottle purchased is suitable for use with a 21mm clip on butane regulator.