G953Features Superior Industrial DesignDesigned for Mobile UsersSpecifications Dimension(mm) : Extended:98.5 x 285 x 10 mmClosed: 98.5 x 145 x 20 mm Connectivity Solution : USB Interface Key Rows : 5 Key Pitch : Horizontal - 18 mmVertical - 17.2 mm Weight : 180 g Key Height/Travel : 4.8 / 2.3 mm Switch Type : Scissors Structure Operation Temperature : 5~50