In 2006, Longhorn began to cooperate with Bosch to enter the production field of infrared detectors, and then won the title of "National High-tech Enterprise" in 2010. Horn has more than 200 patents and certifications in the field of security, and is the only Chinese brand in the latest anti-theft alarm industry national standard formulation committee. In November 2016, Horn's smart home products officially passed Apple's MFi production qualification audit and landed on the HomeKit platform.
 
Infrared detector is a technical advantage of Horn, after overcoming the key "Fresnel lens technology" in passive infrared detection, the sensitivity and detection range of its products have been greatly improved, the detection distance can reach 12 meters, the angle can reach 110 °, and the first-line international brands have been almost the same, according to the difference in use scenarios, there are more than ten different models.
 
Horn's D1 host supports 32 wireless accessories, with an effective connection distance of about 100 meters, which is specially designed for small home users. The D1 supports GPRS communication mode, which can be controlled remotely by mobile phone, and the capsule-shaped body design is also very compact. LHT-200 is a video alarm host, which can be used as a webcam and provide the function of a gateway, which can be compatible with various categories of detectors such as infrared detection, gas alarm, temperature monitoring, etc. It is worth mentioning that Horn's infrared grating F1 also has the function of host, which can be directly connected to the WiFi signal for monitoring and alarming.