WoodBridge B0930S Smart Bidet Toilet With 1.28 GPF Dual Flush Auto Open & Close, Auto Flush, Foot Sensor Flush, 1000 Gram Map Flushing Score,LED Display, Chair Height Design and Cleaning Foam DispenserSMART SENSING AUTO OPENING CLOSING: Toilet lid automatically opens and closes when one approaches or leaves, which meets the hands free standard and is considered more hygienic compared to other toilets. AUTOMATIC FLUSH: When the auto flush function is turned on, it will automatically flush after detecting user departure from the seat, which is a hands free operation. FRONT AND REAR WASH: Rear washing oscillating washing, front washing oscillating