5pcs/lot EE-SX677A Groove U-slot L-shaped Photoelectric Switch Sensor Sensor Miniature Limit Sensor Switch
https://www.vogueparade.com/shopping/EN/150412/1/1005003420087291/5pcslot-ee-sx677a-groove-u-slot-l-shaped-photoelectric-switch-sensor-sensor-miniature-limit-sensor-switch//