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 fils contr\u00f4leur de vitesse de moteur de C.C de 12 volts, contr\u00f4leur micro SWT-201M de moteur pas \u00e0 pas","company_name":"Changzhou Vic-Tech Motor Technology Co., Ltd.","attrs":{"Prix":"$20~30\/unit","MOQ":"1 Unit","Heure de livraison":"15 work days after confirming the payment","Marque":"VIC-TECH"}}

{"pid":"14471101","cid":"53039","pimg_url":"\/\/img1.tradegrowthhub.com\/30\/2e\/30cdd17a7b48\/product\/36779315_s-w400xh400.jpg","name":"Pwm miniature contr\u00f4leurs de vitesse de C.C du contr\u00f4leur 72W de moteur de C.C de 12 volts","company_name":"Shenzhen Jinshunlaite Motor Co., Ltd.","attrs":{"Prix":"Negotiation","MOQ":"10","Heure de livraison":"5-8working days","Marque":"Aslong"}}