Azbil Photo Sensor HPV-S11 : Photoelectric Sensors & Switches - Self-Contained - Vane Type Photelectric Switch with Self-Contained Amplifier - Standard (pre-leaded) type with 2 m cable, optical axis 1, thru scan (vane type), scanning distance fixed at 25 mm, light ON, input voltage 18 to 26.4 VDC, output mode NPN collector, protective structure IP64 (IEC standard), CE marked.