CHUANGO has been concentrating on the design and production of electronic intruder alarm since 2001. The main products include intruder alarm controller, detectors, alarm communication products, etc. In order to enhance the capability and stability of products, we conduct continuous improvement on product design and inspection on our production process. Our R&D engineers also devote themselves to product optimization and innovation so as to make our intruder alarms much easier to install and use. welcome to contact us by email steven at chuango dot com for more enquiries.