The present invention relates to automatic faucets to have alarming function, and air valve is opened or the water tank of the closestool close to the principle using buoyancy, and the alarm clock of the pulley of principle, hand lever includes wave-path supply pipe in water more particularly, to a kind of tap, outlet, handle. The handle is connected to the first opening and closing shaft, fixing axle, second opening and closing axis is successively flowed into the lower part that the light passage opening/closing unit of wave-path in water is formed in the first opening and closing vertical shaft by wave-path discharge port in a water, and the unit of buoyancy forms lower part second and opens axis. ;The 2014 of copyright KIPO submissions
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