pnp photo sensor 3 7 m range

{"cid":"91222799","title":"SICK VL18-3F3740 Photo Sensor, 3.7 m, PNP, Retroreflective, 10 to 30 VDC, M12 Connector, V18 Series","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/f4\/d73418a57dede88cb56e0012659c-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SICK","Model Number":"VL18-3F3740","Minimum Order Quantity":"1","Delivery Time":"Negotiable","Place of Origin":"Germany","Payment Terms":"T\/T","Supply Ability":"100pcs per month","Packaging Details":"carton","Housing length":"78 mm","Thread diameter (housing)":"M18 x 1","Optical axis":"Axial","Focus":"Approx. 2.8\u00b0","Light source":"LED 2)","Switching output":"PNP","Switching mode":"Light switching","Protection class":"III"}}