Features √: Smart Sensor Chip: Inductive Proximity Sensor, Built-In Smart Sensor Chip, Anti-Interference. Proximity to Metal Objects Can Be Sensed And Detected Accurately. √: Led Working Indicator Light: The Proximity Switch Has An Led Action Indicator Light, Which Senses Metal Objects, The Light Is Always on, And the Light Is Always Off, Making the Operation More Convenient And Clear. √Voltage And Model: 6-36V, Current Output 200ma, Output Form: PNP. The Detection Distance Is about 2 Mm/0.08 Inches, Which Meets The Working Needs. √Overall Size: Diameter: Approx. 12mm/0.47in. Length: Approx. 41mm/1.61in. Product Net Weight 200g √Equipment Material And Packaging: Copper Alloy, Packing List Has 4 Proximity Switches 8 X Gasket Fixing Accessories 8 X Hexagon Thread Fixing Fittings Specification: Item Type: Proximity Switch Material: Copper Alloy Voltage: 6-36VDC Output Form: PNP Contact Type: NO Current: 200mA Detection Distance: Approx. 2mm / 0.08in Probe Size: Diameter: Approx. 12mm / 0.47in Length: Approx. 41mm / 1.61in Package List: 4 x Proximity Switch 8 x Washer Fixing Accessories 8 x Hex Threaded Fixing Accessories Note: Do not stay in liquid environment for a long time Package List 4 x Proximity Switch 8 x Washer Fixing Accessories 8 x Hex Threaded Fixing Accessories