Feature: ['<b>Price For:</b> Each <b>Min. Object Size</b>: Adjustable By Changing Gain <b>Diameter</b>: 18mm <b>Shape</b>: Cylindrical <b>Operation Mode</b>: Selectable Light On/Dark On <b>NEMA Rating</b>: 1, 2, 3, 4, 4X, 6, 12, 13 <b>Body Material</b>: Solid Polyurethane <b>Item</b>: Photoelectric Sensor <b>IP Rating</b>: 69K <b>Depth</b>: 0.47" <b>Circuit Type</b>: NPN <b>Standards</b>: UL Listed, CUL Listed, CE Approval', 'Flat 18mm tubular package style can be mounted on a flat surface or through a hole'] (Page 1)