ABS Case Cylindrical NPN PNP 3m 2m DC Retro Reflective Optical Photoelectric Sensor Switch with/without M.S.R Built-in Amplifier

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$19.90

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Cylindrical photoelectric sensor with built-in amplifier, economical and practical, can be used for various purposes.

Three types to choose from according to the purpose: through-beam models, retro-reflective models, diffuse reflection models.

Wide range of power supply voltage, built-in action indicator light, convenient to use.

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