Features 1、Photoelectric switches, also known as photoelectric sensors, are mainly used in machine tools, metallurgy, chemicals, automatic doors, garages, etc. 2、Can be used with programming controllers, microcontrollers, non-gate electronic counters, small relays, etc. 3、Built-in LED chip for longer service life. 4、Built-in sensor chip, more sensitive to detect metal objects. 5、Standard line length is 1.1 meters, thick cable line, outer layer PVC flame retardant, durable, strong conductivity. Specification Item Type: Photoelectric Sensor Switch Brand: JYIO® Model: E3F-DS30C4 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-+65°C Cable Wire Wrapping Material: PVC Head Material: ABS Package List 10 x Photoelectric Sensor Switch