Fast and effective,allowing for sublimation of 2 gram doses in a matter of seconds (approximately 25-30 seconds). Robust and well-made,entirely of stainless steel, for greater durability and easy cleaning. It also has insulation inside for reliable operation in cold and windy climates. Equally important,it incorporates a 6 mm brass resistant tube outlet that remains firmly in the hive's entrance. Controls dose and temperature. It has precise and dynamic temperature control, without overheating.