Designed as a front-line security device, the RAE Systems GammaRAE II, is a product that provides life critical, real-time detection of hidden radiation sources and delivers instantaneous feedback to law enforcement personnel such as municipal police departments, border check-point personnel and cargo port screeners. With flexible alarm configurations, GammaRAE II gives law enforcement personnel a gamma radiation detection response in under a half second, with bright flashing LEDs as well as loud audible and vibration alarms.