Ca50 Philadelphia Multi-function Signal Camera(53.9% similar) Vibration mute detection modes: built-in clock. Rubberized coating, high temperature resistant. Features: laser detection: 10CM-10M the eye can identify red flashing radio 5CM-10M wireless sweep: 1MHZ-6. 5GHZ frequency detection range auto-detection mode to detect live on the go signal strength ...(June 2nd, 2017)