A weapon detecting device is a technology that is used to identify or detect the presence of weapons such as guns, knives, and explosives in a particular area. However, there are other terms or synonyms for a weapon detecting device, such as security scanners, metal detectors, X-ray scanners, and explosive detection systems. These devices are commonly used in airports, train stations, and border checkpoints to ensure the safety of individuals and prevent any potential threats or criminal activities. Moreover, with the advancement of technology, some weapon detecting devices have become more sophisticated and advanced, using artificial intelligence and machine learning algorithms to enhance their accuracy and effectiveness.