Main Features:<br />Onboard LM393 chipset: 3144 hall sensor<br />Working voltage: DC 5V<br />With power and signal LED indicators<br />One-channel signal output<br />Low electrical level while no trigger? high electrical level while high trigger<br />Adjustable sensitivity<br />There is signal output with magnetic cutting<br />Can be connect direct with relay module? buzzer module? etc.<br />Can be used for testing motor speed? position and so on<br /><br />    Specifications<br />General<br />	 Material: Plastic + Copper + PCB                                                	<br />Weight and Size<br />	 Product Weight: 0.005 kg                                                  <br />                        Package Weight: 0.050 kg                                                  <br />                        Product Size(L x W x H): 3.8 x 1.8 x 1.1 cm / 1.49 x 0.71 x 0.43 inches                                                  <br />                        Package Size(L x W x H): 4.8 x 2.8 x 2.1 cm / 1.89 x 1.10 x 0.83 inches                                                	<br />Package Contents<br />	 Package Contents: 1 x Module? 1 x DuPont Line                                                	<br /><br /><br /><br />                                                                                            <br />