Item Type: Photoelectric Sensor Switch Brand: JYIO Model: E3F-DS30C4 Power Supply Voltage: 10-30VDC Output Current: 200mA Detection Distance: 30cm 10% (Note That The Unit Here is Centimeter ) Opening Size: 18mm Power Cord Length: 1.1 Meters Output Form: DC Three-Wire Normally Open NPN NO Detecting Objects: Opaque Objects Detection Method: Diffuse Reflection Working Environment Temperature: -30-+65C Cable Wire Wrapping Material: PVC Head Material: ABS Package List 10 x Photoelectric Sensor Switch Please allow slight error due to manual measurement. Thanks for your understanding. 1Photoelectric switches, also known as photoelectric sensors, are mainly used in machine tools, metallurgy, chemicals, automatic doors, garages, etc. 2Can be used with programming controllers, microcontrollers, non-gate electronic counters, small relays, etc. 3Built-in LED chip for longer service life. 4Built-in sensor chip, more sensitive to detect metal objects. 5Standard line length is 1.1 meters, thick cable line, outer layer PVC flame retardant, durable, strong conductivity.