Grand General – Medium Rectangular LED Strobe Light 5" – 81811

Medium Rectangular LED Strobe Light 5" Amber/Clear

The Grand General Medium Rectangular LED Strobe Light (81811) provides superior brightness and reliability in a compact design. Equipped with six high-power LEDs and 14 split flash patterns, this strobe light delivers exceptional visibility for professional and emergency vehicle use. Its sealed lens and aluminum housing offer excellent durability, protecting against moisture, dust, and vibration.

• Manufacturer: Grand General
• Item Number: 81811
• LED Count: 6 High Power LEDs
• Voltage: 9V–36V Multi-Voltage
• Flash Patterns: 14 Split Flash Patterns
• Material: Sealed polycarbonate lens with aluminum housing
• Size: 5" L × 1-3/16" W × 5/8" D
• Mounting: Surface mount with 4-3/4" hole-to-hole bolt pattern
• Wiring: 4-wire hardwired connection
• LED/Lens Color: Amber/Clear
• DOT Notice: For emergency vehicle use only. Check local and state laws before installation.

Performance & Fit

This medium 5" rectangular strobe light offers an optimal balance of size and brightness for visibility-critical applications. The integrated electronics and sealed design make it self-contained and weatherproof. With its 14 selectable flash patterns, this light allows full customization for various professional or emergency setups.

Installation

1. Choose a flat mounting surface and mark the 4-3/4" bolt hole pattern.
2. Drill and secure the light using bolts or screws (hardware not included).
3. Connect the 4-wire system: power, ground, sync, and flash pattern control.
4. Test and select the desired flash mode before completing installation.

Why You’ll Love It

• Six high-power LEDs provide powerful light output
• Amber/Clear color combination enhances visibility and attention
• 14 selectable flash patterns for versatile use
• Durable, sealed aluminum housing for weather resistance
• Compatible with 9–36V systems for universal application

Common Questions

• Is this light waterproof? Yes — the sealed lens and housing prevent water and debris intrusion.
• Can I use it on any vehicle? Yes — works with 9–36V electrical systems.
• Is it DOT-approved? This light is intended for emergency vehicle use only; check your local laws.
• How bright is it? It uses six high-power LEDs to deliver maximum light output in compact form.

⚠️ California Proposition 65 Warning:This product can expose you to chemicals including lead and other compounds, known to the State of California to cause cancer and reproductive harm.For more information, visit www.P65Warnings.ca.gov.

Note: Amber/Clear 5" rectangular LED strobe light featuring 6 high-power LEDs, 14 split flash patterns, and sealed aluminum housing. For emergency vehicle use only.