MS-1075 Magnetic Switch Recessed for Indoor/OutdoorApplications: 3/8" press-fit mounting No screws or glue needed Heavy-duty housing resists crushing Specifications: ABS Plastic Enclosure IP67 Hermetically sealed reed switch encapsulated in polyurethane WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)