The TALOS SFD-300-HG Compact Lightning Detector is a dual-purpose compact lightning detector with 3 modes: Lightning Detection Mode, Stadium Mode, and OFF. When in Lightning Detection Mode, the detector provides visual alerts to approaching or departing storm fronts and lightning by sensing the distance of lightning strikes that are in the area, making you aware of potentially life-threatening situations. Stadium Mode is perfect for Tampa Bay Lightning Games at the Amalie Arena. The stadium-created lightning activates the unit to flash random colors each time a goal is scored.• Portable compact design• Lanyard and strap included for portability• Detects lightning up to 25 miles• Same technology as used in expensive weather stations• 3 different colors indicate the distance (approaching or departing) of the storm front: Green = 25 milesBlue = 16 milesRed = 6 miles• High accuracy• Sealing: IP40 rating• Dust-proof enclosure• Stadium mode to be used at Tampa Bay Lightning games or any other events with Tesla Coils• Operates on 2 CR2032 batteries (included) Compact design with lanyard & strap for portability Detects lightning up to 25 miles away Operates on two CR2032 batteries (included) | Talos Compact Lightning Detector in Blue