Inspection convex mirror is used to check whether there is Dangerous goods on the top or bottom of the vehicles , also can be used to detect the remote area which we cann't t observe to the normal circumstances. The Diameter of the lens is ￠300mm, and the scope of the connecting rod is 60cm~130cm. The bag packaging product easy to carry, and convenient assembly. Flashlight as auxiliary lights, when in the dark, we can open the flashlight to test, so that it is convenient to observe.