Series 4 Haier Built-in Series 4 is an ultra-efficient Washer Dryer with inverter motor which allows you to save energy and time on your laundry routine. Haier Built-In Washer Dryers are coming to your attention with their new premium design and tailormade solutions for your every need. With I-Time function that Haier Built-In offers, now you will be able to enjoy adjusting your laundry time and have professional results thanks to the refresh program on this machine.