Overdrying your clothes makes them shrink and get weaker over time. Stop them from overdrying with OptimalDry on this Samsung tumble dryer. It uses moisture and temperature sensors to find just the right moment to stop the cycle - that helps to stop clothes from being overdried. Your tumble dryer can learn your laundry habits, and with the SmartThings app you can start your dryer from anywhere. Not dried your top for a night out? Eek! Just use the Quick Dry cycle to dry up to 1 kg of clothes in just over half an hour. Problem solved.Good to know- Heat pump technology is more efficient than other drying - that's why this tumble dryer has an A+++ energy rating- The reversible door lets you switch the door hinge side to make it fit your kitchen- You can monitor and reduce your machine's energy use by up to 20% using the SmartThings AI Energy modePlease note: SmartThings available on Android & iOS devices. WiFi connection and Samsung account required. AI Energy mode only available on SuperSpeed and Towels programs. Energy saving based on Samsung internal testing on the DV90BB9445GH model on the SuperSpeed mode with a 5 kg load with the AI Energy Mode turned on, compared to not using AI Energy Mode.