Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Door Open Sensor Alarm, personal defensive alarm , Wireless Door Alarm , Best Personal Alarm For College Students ,Police Recommended Personal Safety Alarms . Our organization has been devoting that "customer first" and committed to helping clients expand their small business, so that they become the Big Boss ! The product will supply to all over the world, such as Europe, America, Australia,Mecca , Luxembourg ,Paraguay , Croatia .Till now, the goods list has been updated regularly and attracted clients from around the globe. Detailed facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are going to help you get comprehensive acknowledge about our products and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.