Please be aware that counterfeit items are currently being sold, so be cautious if you are considering a purchase. Also, fake anchor units are appearing. This item is genuine. Authentic products have a gap between the housing and the anchor (see image 2). Also, the four anchor V4 units are genuine. The lines at the vertices of the triangle on the authentic product are faint (see image 3). The back of the housing is clean. The items shown in image 1 will be shipped. Images 6 and 7 are of counterfeit items; they are attached for reference.