Federal Signal Viper S2 Internal/Exterior LED Warning Lights, Single-Head w/ Cigarette Plug

The Federal Signal Viper S2 single-head warning light, with superior light output and easy pattern synchronization, advances secondary lighting product expectations to a higher plateau. Superior warning capability, multiple product offerings, versatile mounting and simple product functionality have made the Viper S2 stand out as the best internal warning light in the industry.

  • See the Viper S2 in action with this 1-minute demo (opens in new window):

    Watch Federal Signal Viper S2 Demo Video

  • Single-head warning light includes 8 L.E.D.s, 23 patterns and a cigarette plug
  • Advanced Solaris L.E.D. reflective light technology
  • Bold blocks of light and superior off-axis reflection are achieved using Viper S2 advanced Solaris reflector technology
  • Molded scalloped facets at the rear of the reflector direct L.E.D. light forward to form an impressive block of illumination
  • 2 inboard side reflectors mirror high intensity L.E.D. light to the side producing wide-angle off-axis warning
  • Combined, the Viper S2 delivers the most effective compact, lightweight warning light available
  • Functional push button controls both pattern selection and light head synchronization:
  • Cigarette plug allows for instant installation and features an on/off switch for fast activation
  • Single, stand-alone units work independent of each other and have up to 23-patterns that are selected by an easy to reach push button switch
  • The simple-to-use, multi-purpose push-button pattern switch is used not only to scroll forward and backward through patterns, but also to synchronize the light heads
  • New, innovative built-in warning patterns (23/single head)
  • Full variety of high intensity L.E.D. colors to choose from
  • Versatile mounting bracket, suction cups and snap-on flash guard included
  • Snap on guards attach or detach without requiring the use of hand tools and provide flash protection inside the vehicle
  • Extremely low amp draw
  • Quietly meets EMI and RFI requirements
  • Meets S.A.E. J595 requirements for light output
  • Volts: 12.8 VDC
  • Current Draw: 1.5A
  • Operating Temp: -30C to +65C
  • Size: 4.3" (10.9 cm) W x 1.2 in (3.0 cm) H x 2.9 in (7.4 cm) D
  • Weight: 1.0 lb. (.45 kg)
  • L.E.D. Colors: Amber, Blue, Red

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Authorization required to purchase this product. We will not be able to process your order without authorization.

Sending Authorization: After submitting your order, send (1) a written and signed authorization on your official letterhead, and (2) a copy of your official picture identification card. Submit via fax or mail to:

  • Toll-Free Fax: (888) 588-8590, ATTN: Restricted Items
  • Local & Intl. Fax: +1 (704) 916-4562, ATTN: Restricted Items
  • Mail: CHIEF Inc., Customer Service, ATTN: Restricted Items, 2121-E Distribution Center Dr, Charlotte, NC 28269, USA
  • Your information will be handled with the utmost care and security

If we have not received your authorization within 10 business days of the date you placed your order, then we will cancel your order.

For more information, see How to Order Restricted Items

FREE standard shipping for online orders with with an order total of $99 or higher.
$6.95 standard shipping for online orders with an order total of $98.99 or below. Qualifying amount applies to merchandise only. Subject to change without notice. Offer valid for standard shipping within the contiguous United States (some restrictions apply such as shipping to Canada, Alaska, Hawaii, and all other destinations outside the continental United States including APO and FPO addresses are not eligible for this promotion and may incur additional charges). Additional fees apply to haz-mat/chemicals/ aerosols, over sized or unusually heavy items/orders,including but not limited to ladders, fire hose, pepper spray, fire extinguishers, full-size light bars and spike strips. Some vendors are also excluded, view a list of excluded brands here.

Shipping rates apply to all products. Some orders may require additional shipping charges.

Standard Shipping Charges
Charges for addresses in the contiguous United States only.
Order Total Standard 2-Day Air** Next Day Delivery
Up to $25 $8.49 $6.95 $28.48 $33.48
$25.01 to $50.00 $10.49 $6.95 $30.48 $35.48
$50.01 to $98.99 $12.49 $6.95 $32.48 $37.48
$99.00 to $150.00 $14.49 $0 $34.48 $39.48
$150.01 to $200 $16.49 $0 $36.48 $41.48
$200.01 to $250.00 $18.49 $0 $38.48 $43.48
$250.01 to $300.00 $20.49 $0 $40.48 $45.48
$300.01 to $350.00 $23.49 $0 $43.48 $48.48
$350.01 to $400.00 $25.49 $0 $45.48 $50.48
$400.01 to $500.00 $27.49 $0 $47.48 $52.48
$500.01 to $750.00 $31.49 $0 $51.48 $56.48
$750.01 to $1,000 $34.49 $0 $54.48 $59.48
$1,000.01 and over $38.49 $0 Contact us for a quote

Federal Signal Viper S2 Internal/Exterior LED Warning Lights, Single-Head w/ Cigarette Plug

Item #: 329000S
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