Nemtek Strobe Red LED 12V Nemtek Strobe Red LED 12V is a visual indicator (flashes) of an alarm that has been triggered. The strobe light carries on flashing after the alarm as an event memory indicator. Nemtek Strobe Red LED Features: Visible from up to 500m at night and 100m during the day Uses minimal power Highly visible LEDs allow for a 180-degree viewing angle Can be used with all 12Volt DC output systems Waterproof enclosure Easy to install Polarity protected