Product Name: Erc18m-Ds30c1 Photoelectric Sensor Switch, Erc18m-Ds30c1 Sensor Switch, Photoelectric Switch, 10-30VDC Sensor Switch Model NO.: ERC18M-DS30C1 Customized: Non-Customized Certification: CE IP Rating: IP67 Feature: SemiConductor Material: Stainless Steel Production Process: Integration Output Signal Type: Switching Type Type: Diffuse Reflection Type Photoelectric Sensor Mounting: Direct Cording Trademark: LFE Transport Package: Box, Ctns Specification: NPN Origin: China HS Code: 8536500000 Product Description Photoelectric switch say again photoelectric sensor , sensor points diffuse reflective type , feedback , duishe type , sensor and PLC and single-chip microcomputer , sr circuit ,electronic counters , solid state relay , small relays , etc products with magnetic use . The transmitter aims at the target and generates light beam , and ther receptor turns the light energy received into current and transmits it to the detection circuit backwards . It can filter our and effective signal and use it .