With this robust flush-mounted key switch for indoor and outdoor use, you can easily and securely control your garage or yard gate. It features a two-sided button with a printed aluminum front panel and a flush-mounted housing made of aluminum die-cast. The flush-mounted unit does not require a switch box and cannot be installed in one. The standard profile half-cylinder (30/10) comes with three matching keys and can be replaced if necessary. If a uniform locking mechanism for multiple installed key switches or buttons is required, you can simply order the item 100500 in the desired quantity along with the switches. For security reasons, the housing can only be opened with the key. The switch is rated IP55 for protection. Dimensions of the front panel: 81 x 81 mm, dimensions of the flush-mounted unit: Ø 60 mm, T 39 mm.