No.4,�hongyuan�oad,�onggang�istrict,�henzhen TTBVS is online shopping of TTB Vision Co.,Ltd, as a reliable global online wholesale & retail purchasing channel that delivers products directly to consumers around the world. Founded in 2013, TTBVS has offered customers a convenient way to shop for a wide selection of security system, GPS tracking, alarms and other products at attractive prices through www.ttbvs.com. TTBVS's innovative data-driven business model allows itself to offer customized products, such as security camera, DVR,NVR,GPS tracking, baby monitor, Beam Detector,Alarm Control Panelat and so on, scale for optimal marketing, merchandising and fulfillment.