Feature:1. Equipped with signal output indication and mounting holes for easy installation.2. The output effective signal is low level, with adjustable sensitivity (fine adjustment).3. Extremely high sensitivity of magnetic field induction detection, reliable to use.4. The output of the circuit board can be directly connected to the IO port of the single chip microcomputer.5. It be used for motor speed measurement, position detection and other occasions.Specification:@font-face{font-family:"Times New Roman";}@font-face{font-family:"";}@font-face{font-family:"Calibri";}@font-face{font-family:"Arial";}p.MsoNormal{mso-style-name:;mso-style-parent:"";margin:0pt;margin-bottom:.0001pt;mso-pagination:none;text-align:justify;text-justify:inter-ideograph;font-family:Calibri;mso-fareast-font-family:;mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;}span.msoIns{mso-style-type:export-only;mso-style-name:"";text-decoration:underline;text-underline:single;color:blue;}span.msoDel{mso-style-type:export-only;mso-style-name:"";text-decoration:line-through;color:red;}@page{mso-page-border-surround-header:no;mso-page-border-surround-footer:no;}@page Section0{}div.Section0{page:Section0;}Item Type: ModuleSize: Approx. 35x10x10mm/1.4x0.4x0.4inChip: LM393, 3144 hall sensor magnetic induction probeWorking Voltage: 5V DCPackage List:10 x Hall Switch Sensor Modules