Specifications: Intelligent control: Induct automatically, flush 2 times, save water. Save electricity: Flushing 100 times every day with four no.5 alkaline batteries, the batteries will late 2 years. Sensing range adjustable:30cm~90cm adjustable according to the requirement. Capacity of water adjustable: The capacity of water can be adjusted according to the water pressure. Fileter: Avoid jam-up, it can be take apart for cleaning easily. Avoid jamming: Aviod the failure of the electromagnetism valve with a built-in avoid jamming needle. Installation: Embedded design, adapt to 9cm thickness wall. Material and quality: Stainless steel cover and brass solenoid valve,5 years quality guarantee.