Features 1、The shell is made of ABS plastic material, which is scratch‑resistant, wear‑resistant and corrosion‑resistant. 2、The induction probe has sensitive response, high accuracy and good use effect. 3、The product is less interfered by visible light, simple to assemble and easy to use. 4、With small size, easy to carry and store, convenient to use and with good performance. 5、Can be used with peace of mind, with strict quality control and quality assurance. Specification Item Type: BERM Photoelectric Switch Model: E3G-D61 Output Mode: NPN NO Detection Distance: Approx. 4 ~ 30mm / 0.2 ~ 1.2in Rated Current: 200mA Shell Material: ABS plastic Detection Method: Square Type: Three-wire How to Use: Brown is connected to the positive pole, blue is connected to the negative pole, and black is the signal output. Package List 1 x BERM Photoelectric Switch