■ Series includes models that enable switching between dark-ON and light-ON operation. ■ Response frequency as high as 1 kHz. ■ Easy operation monitoring with bright light indicator. ■ Wide operating voltage range: 5 to 24 VDC ■ Models in which the light indicator turns ON for dark-ON operation are also available. ■ A wide range of variations in eight different shapes. ■ Flexible robot cable is provided as a standard feature