1、Material: Aluminum alloy waterproof button, suitable for indoor and outdoor use, built in high toughness anti deformation spring, longer lasting use. 2、Panel Design: Adopts 3.85mm thick stainless steel panel, the surface is brushed by wire drawing process, durable and corrosion resistant, and the glossy appearance is beautiful. 3、Important Parameter: 12‑24VDC working voltage, panel size is 86x86mm, self reset operation mode, IK10 explosion proof, safer to use. 4、Application: Can be used for access control system, small and light size, green button is very eye catching, and engraved with text logo, very practical. 5、Easy Installation: Installed with screw fixation, and the package includes two rubber stoppers and two screws, which is convenient and quick and easy to operate.