The Antari HZ-400 is a fluid-based haze machine with dual haze nozzles and an adjustable diverter for directing the output. It provides instant operation without a waiting period and includes a fluid-level indicator. The unit has a 2.5-liter fluid tank, consumes 1.1 ml/min at 100% output, and supports manual, timer, DMX512, and optional wireless control. Its operating time is up to 37 hours at full output.