Longhornis a major manufacturer of emergency button, based in China. We offervarious types of products such as emergency button, alarm siren, fire accessoryand so on. Our products are high quality and competitively priced. Our full chainof manufacturing ePIR detector, fire alarm controlpanel can be completed in China,even in one city. Our lower manufacturing cost can save your purchasing cost. Amore detailed description of our product is shown on the page.