IMPORTANT: This humidifier is only compatible with the Transcend 2 series of machines. It is NOT compatible with Transcend 3 or Transcend 365 devices. The Transcend Heated Humidifier provides premium comfort. The water-based humidifier integrates completely with Transcend to provide heated humidification in one small footprint. Adjustable heat settings Warm-up indicator Dishwasher-safe reservoir Compatible with any mask Please note that the Transcend Heated Humidifier cannot run off of 12V power or from either Transcend battery option. Dimensions:22.9 cm x 14 cm x 11.9 cm (9 in x 5.5 in x 4.7 in) Weight: 2.2 lbs / 1kg while empty (approx. 3lbs / 1.5kg with Transcend machine attached)