The Shenying LV series long-range laser infrared night vision instrument produced by Shandong Shenrong Electronics Co., Ltd. has been successfully applied to the building of the Civil Defense Bureau in Xuanwu District, Beijing, for high-altitude monitoring, monitoring distance of up to 10 kilometers during the day, and monitoring of 3 kilometers at night。Shenying LV series equipment provides a reliable guarantee for commanders to intuitively grasp the scene situation, implement efficient comprehensive information processing and scientific command and dispatch。