Description: This is a collection of emission and reception in one photoelectric sensor. Detection distance can be adjusted according to requirements. The sensor has a detection range, interference by visible light small, easy to assemble, easy to use and so on. Can be widely used in robot obstacle avoidance, assembly line and many other automated products. Photoelectric sensor (photoelectric switch) NPN normally open. Applications: 1. Production line automatic counting equipment 2. Multi-function reminder 3. Go maze robot 4. Kitchen automation system 5. Security anti-theft system Specifications: Photoelectric switch E18 technical parameters: 1. The output current DC / SCR / Relay Control output: 100mA / 5V power supply 2. Current consumption DC Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.