sonic sensor averaging beam for pavers

{"cid":"91206892","title":"2069778 36 Beam Leveling System For Bomag Volvo erpillar","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d4\/e8\/a17bf3e1a301cb79c39da4bded4f-200x200-1.jpg","attrs":{"Price":"$6000~8000\/Pieces","Brand Name":"Benit","Place of Origin":"China","Supply Ability":"100 Piece\/Pieces per Month","Packaging Details":"Carton, pallet. wodden box","Product name":"Leveling system","Part number":"2069778","Usage":"Road Flatness","Brand":"Benit"}}

{"cid":"91221970","title":"2Hz Ultrasonic Construction Machine Control Systems SMC-8428","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/43\/72\/f2e8172270ff3deefe93edbcbb8c-200x200-1.jpg","attrs":{"Brand Name":"SIMING","Model Number":"SMC-8428","Minimum Order Quantity":"1 psc","Delivery Time":"1-3 days","Certification":"ISO 9001","Place of Origin":"Jiangsu, China","Supply Ability":"10 psc per month","Packaging Details":"wooden packing","Output mode:":"NPN, PNP","Output waveform:":"PWM pulse wave","Output frequency:":"2Hz","Output current:":"1.5A","Short circuit protection current:":"2.2A","Control load type:":"switch valve"}}