With a extremely sensitive sensor. Intelligent sensing technology, 55-60 for cm induction distance. Near infrared software technology with a wavelength of 700mm-2000mm as the main sensing distance. Double flush, three seconds in entrance of the station, when you leave the toilet, for 8 seconds, hygiene and odor control. Intelligent flushing control in step with the utilizing frequency effectively reduces the waste of water source. Made of fantastic ABS for shell and stainless-steel wave tube, resistant to corrosion, durable, farewell to rust. Exposed wall mounted, well matched for each form modification works, public toilet, hotel, hospital, airport, bathroom, etc. Low energy consumption, powered via 4pcs AA alkaline batteries, with low battery indicator. Specification: Voltage: for DC 6V Power Supply: four x AA batteries(NOT included) Water Pressure: zero Idle Discharge: <5UA(for DC), <2W(AC) Diameter of Inlet Water Pipe: G1/2"(DN15) Battery Lifespan: 1 years Induction Distance: 55-60cm Environmental Temperature: zero Material: Plastic shell+Brass Dimensions: 8(3)(approx) Color: Silver Quantity: 1 Pc Note: Transition: 1cm=10mm=0 No retail package. Please enable 1-3cm error because of handbook measurement. pls make sure you don't mind before you bid. Due to the variation between diversified monitors, the image won't replicate the actual shade of the item. Thank you! Package Includes: 1 x Urinal Sensor(other kit demo within the picture isn't included.)