Welcome to our store！</br>1、NO/COM emergency alarm button, DC12V power supply voltage, stable performance. 2、Stainless steel panel, high strength, strong anti‑extrusion, sturdy and durable. 3、Push button switch, good resilience, simple and convenient operation. 4、The installation is simple and does not require complicated operations. 5、Built to meet standard specification, strictly follow factory quality control. <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Emergency Alarm Button Panel Material: Stainless Steel Size: Approx. 86 x 86mm/3.4 x 3.4in Button: NO/COM normally open, printed with "emergency alarm" font Power Supply Voltage: DC12V <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Emergency Alarm Button 2 x Screws Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>