Speaker warning in-line LED mini-digital display parking sensor. SRD028 parking sensor system has a digital display and graded sound warning driver while parking. Features: 1) Speaker warning in-line and graded sound warning driver while parking 2) Strong anti-interference ability and wide work temperature, can work in awful environment 3) Fashion designed display, LED mini-digital display 4) Omnidirectional detectability makes user feel more comfortable Inner packing: Dimensions: 35.0 x 25.0 x 5.5cm G.W.: 0.9kg Outer packing: 10pcs/ctn Carton dimensions: 59.0 x 35.5 x 25.5cm G.W.: 9.8kg Delivery lead time 10 days Minimum order 200pcs Supply ability 30,000pcs/month