10pcs/lot EW-512 Bipolar Latching Hall Switch Hall Element Water Flow Sensor DIP DIP-3 Mark:W12
https://www.vogueparade.com/shopping/EN/150412/1/1005003420019614/10pcslot-ew-512-bipolar-latching-hall-switch-hall-element-water-flow-sensor-dip-dip-3-markw12//