Features: Sensor?Module Apply?to?switchboard，?duplicator，?washing?machine，?refrigerator，?camera，?disinfector，?electronic?scale，?juice?level?gauge，?gas?meter?and?water?meter，?etc Specifications: With?fixed?bolt?hole?for?easy?installation Working?distance:?1.5?M Operating?voltage:?3.3?V-5?V Output?Type:?Digital?switching?output?(0?and?1) Size:?3.2?x?1.9?x?0.7?cm Net?weight:4?g Color:As?shown?in?the?pictures Package?Content: 1?x?Sensor?Module