Suitable for indoor and outdoor use, built in high toughness ,anti deformation spring, longer lasting use. PANEL DESIGN: Door release button adopts 3.85mm thick stainless steel panel, the door release button is brushed by wire drawing process, , and the glossy appearance is beautiful. IMPORTANT PARAMETER: 12‑24VDC working voltage, panel size is 86x86mm, self reset operation mode, IK10 explosion proof, safer to use. APPLICATION: Door release button can be used for access control system, small and light size, green button. Product Name:Switch Button Item Type:Door Release Button Voltage:12-24VDC Rated Current:5A Operation Mode: Self resetting type Explosion Proof Grade: IK10 Working Temperature: -20-50℃ Working Humidity: 10 percent -99 percent RH Panel Size: Approx. 86x86mm or 3.39x3.39in Application: Suitable for access control security, electronic access control systems The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:As Shown Material:Plastic Package Contents: 1 x Switch Button Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.