Back a car it is affixed below lens, r | | | Travel picture becomes high-definition, very lens of a blind area, can see around annulus and rear case clearly, improvement visits the blind area that be less than, back a car without pressure. R Choose to have night to inspect functional recorder as far as possible, arrived otherwise very much in the evening recorder find oneself at a loss, it is hole really. Installation hind is OK passenger of caution back row, prevent accident happening, treat rear car condition clear, reduce the possibility that traffic accident produces, drive more be at ease. Increase a driver to look carefully at a perspective, be a kind of ideal back a car, overtake and the auxiliary tool that change! Drive water defends mist glass level, puissant drive water, the effect is lasting, from now on a rain is not occupied, very safe and efficient Stickup stability and do not hurt love car, use design of original small curved surface, can obtain more wide eye shot, long model immensity casing exterior, tie-in and high-definition glass, circumfuse is contemporary feeling Fog often has on rearview mirror, affect driver line of vision. Had this to prevent rain to prevent mist film, problem be readily solved. ? ? ? ? ? ? Apply optical principle, the windshield after passing sees the case of bigger eye shot after the car, eliminate blind area, than what safety is important.