RD018 parking sensor system has an LED digital display and graded sound warning driver while parking.(only display is different relative to RD028)Features: 1) Strong anti-interference ability and wide work temperature, can work in awfulenvironment.2) Fashion designed display and hello-kity style speaker, its also a good choiceforbeing an adornment in your car.3) Omnidirectional detectability makes user feel more comfortable.Inner packing: Dimensions: 35.0 x 25.0 x 5.5cmG.W.: 0.9kgOuter packing: 10pcs/ctnCarton dimensions: 59.0 x 35.5 x 25.5cmG.W.: 9.8kg Delivery lead time 10 days Minimum order 200pcs Supply ability 30,000pcs/month