Feature: 1. Material: Aluminum alloy water proof 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, sturdy and erosion proof, and the glossy appearance is beautiful. 3. Important Parameter: 12‑24VDC working voltage, panel size is 86x86mm, self reset operating 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. Specification: Item Type: Door Release Button Material: Stainless steel, aluminum alloy Voltage: 12-24VDC Rated Current: 5A Operating Mode: Self resetting type Explosion Proof Grade: IK10 Working Temperature: -20~50°C Working Humidity: 10%~99%RH Panel Size: Approx. 86x86mm/3.39x3.39in Application: Suitable for access control security, electronic access control systems. Package List: 1 x Switch Button2 x Screw