Most widely used 5mm Optical Sensor ldr from Senba

USB Fingerprint Sensor with Optical Sensor

Fingerprint Scanner Machine-Optical Sensor

Optical Sensor Paper / Sticker / Vinyl USB Cutting Plotter

Durable 48 Inch Contour Cutting Plotter with Optical Sensor

Optical Sensor 24 Inch Contour Cutting Plotter , Desktop Vi

1,000dpi Optical Sensor Beautiful 3D Optical Mice, Suitable for Left as Well as Right Hands

3D Optical Mice with 1,000dpi Optical Sensor, Suitable for Left and Right Hands, Easy to Use

4D 2.4GHz Wireless Mice, Support Plug-and-play Function, 800 to 1,600dpi Adjustable Optical Sensor

3D Optical Mouse with 1,000dpi Optical Sensor/Three Colors to Chose