A new Wireless Voice Acousto-optic Alarm，a new Photosensitive Alarm with Adjustable Sensitivity,a new Portable Wireless Water Leak Sensor, a new Wireless Receiver for Relay, a new Learning Split Wireless Receiver, a new More Matching Siren and a new Anti-false Alarm Infrared Detector were invented by LU RUI,one of the founder of our company. On 7th August 2018,we applied for patents for these inventions and got 7 patents of utility model authorized certificate.
