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ST21 DC Strobe Warning Light

Made in the USA of US and Foreign Parts

The ST21 is a compact strobe warning light excellent for indoor or outdoor signaling, safety, or warning applications. Auto-voltage design allows this light to work where input DC voltage is 12VDC-48VDC. Available in permanent mount (pedestal) or magnetic mount (plugs into a vehicle’s DC adapter) models. Dome colors available: Amber, Blue, Clear, Green, Purple, or Red.

  • High output 3-4 Watt - 3.6 joules.
  • 70 to 80 flashes per minute.
  • 360° Fresnel / fluted lens.
  • Low current draw, under 350 mA at 12 VDC.
  • 6 1/2" high, 5-1/2" diameter, Shipping Weight, 2 lb.
Part Number Mounting Voltage
ST21-P Permanent 12-48 VDC
ST21-M Magnetic 12-48 VDC
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