An inspection device includes a base to receive an electronic device, a supporting member, a first adjustment member, a second adjustment member, and an inspecting member installed on the second adjustment member. The supporting member includes a horizontal plate movable relative to the base, a guideway fixed on the horizontal plate, and a guiding block movably mounted on the guideway. The first adjustment member includes a fixing plate fixed on the guiding block, and an adjusting plate rotatably attached to the fixing plate, and movable and rotatable relative to the base. The second adjustment member is fixed on the adjusting plate. Movement and rotation of the adjusting plate relative to the base allow movement and rotation of the second adjustment member relative to the base to allow movement and rotation of the inspecting member relative to the electronic device.