bidirectional dc motor speed controller

{"title":"160W Bidirection 4m Two Fence Car Park Barrier Gate 24V DC Motor Remote Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/5d\/32\/26e339cef7732cde99192c7b878b-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"WONSUN","Model Number":"DZ-Y830 Parking Barrier Gate","Minimum Order Quantity":"1PC","Delivery Time":"3-7 working days after received your payment","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T,Western Union,Money Gram, Trade Assurance,Paypal etc.,","Supply Ability":"1000 Sets\/Month","Packaging Details":"Parking Barrier Gate Packed in bubble wrap firstly, and then reinforced with carton for outer packing.","Name":"Parking Barrier Gate","Running speed":"1.5sec-6sec speed adjustable","Driving method":"dc brushless motor","Brand":"-40\u2103~+75\u2103","Weight":"50kg","Application":"Over-sized Traffic Flow Area,parking lot,school,Outdoor,Parking solution"}}

{"title":"Slim Design Bidirectional Access Control Speed Gate Turnstile","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/e4\/9dd7ebedff01e7dfd78ca30d8371-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"SINOMATIC","Model Number":"SN-ISB10","Minimum Order Quantity":"Sample order accepted","Delivery Time":"5-10 working days after payment received","Certification":"CE\/ ISO","Place of Origin":"Shenzhen, China.","Payment Terms":"T\/T or western Union","Supply Ability":"500 pcs per month","Packaging Details":"Carton\/Plywood box\/Pallet","Application":"Pedestrian access control","Running life":"\uff1e5 million times","IP rate":"IP 54","Warranty":"12 months","Motor":"24V DC","Barrier lenght":"500 ~ 800mm"}}