PANASONIC / SUNX SW-101

Panasonic SW-101 Optical Touch Switch

Panasonic Optical Touch Switch SW-101

Waterproof Optical Level Sensor for Water Dispenser Humidifier with Easy Setup

20pcs Transmission Type Photoelectric Switch Optical Interrupter Sensor Opto ...

1M8 Optical Infrared Water Liquid Level Sensor Water Level Control Switch 1.8M

20 PCS PT334-6C 5mm Phototransistor Light Sensor Clear Round F5 3V Optical