Model: KY-23F1/25F1/35F1 Features And Functions 1. Self-evaporative system, no water tank. 2. The condensing water is recycled to improve cooling efficiency. 3. Dual-motor setup makes super match. The speeds of two motors can be micro-controlled by the system respectively to improve efficiency and reduce noise. 4. Elegant and pretty appearance, similar to the human body design, with the large loading quantity. 5. Over-cold protection, three minutes restart delay function. 6. Anti-frozen function under cooling. 7. Self-diagnosis function and 24 hour On/Off timer. 8. Vertical louvers swing automatically. 9. Two filters design, Active carbon filters optional. 10. 4 in1 Cooling/Heating/Fan/Dehumidefying.