China 12 volt dc motor speed controller

{"pid":"11943139","cid":"41496","pimg_url":"\/\/img1.tradegrowthhub.com\/29\/d1\/f1f512eab78c\/product\/23899039_s-w400xh400.jpg","name":"4 Dr\u00e4hte 12 Volt-DC-Motordrehzahlkontrolleur, Mikroschrittmotor-Kontrolleur SWT-201M","company_name":"Changzhou Vic-Tech Motor Technology Co., Ltd.","attrs":{"Preis":"$20~30\/unit","MOQ":"1 Unit","Lieferzeit":"15 work days after confirming the payment","Marke":"VIC-TECH"}}

{"pid":"14471101","cid":"53039","pimg_url":"\/\/img1.tradegrowthhub.com\/30\/2e\/30cdd17a7b48\/product\/36779315_s-w400xh400.jpg","name":"Miniatur-Pwm DC-Drehzahlregler des 12 Volt DC-Bewegungspr\u00fcfer-72W","company_name":"Shenzhen Jinshunlaite Motor Co., Ltd.","attrs":{"Preis":"Negotiation","MOQ":"10","Lieferzeit":"5-8working days","Marke":"Aslong"}}