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Whelen Liberty™ II
The Whelen Liberty™ II is a full-size warning lightbar built for emergency and commercial fleets that need strong visibility, durability, and flexible configuration options. It uses Linear Super-LED® lightheads along with Whelen’s Proclera® optic technology to produce focused, high-intensity warning output while helping reduce light scatter in rain, fog, and other demanding conditions.
The Liberty II can be configured with SOLO™, DUO™, and TRIO™ lightheads, giving agencies and fleet operators the ability to tailor warning colors and light output to the needs of the vehicle. Available control options include WeCanX®, Standard Current, and Low Current systems, while programmable flash patterns and optional lighting functions provide additional flexibility for law enforcement, fire, EMS, towing, DOT, utility, and other fleet applications.
Its one-piece uni-dome construction, hard-coated lenses, aluminum top, and extruded aluminum platform are designed for long-term durability and weather resistance. Optional take-down lights, alley lights, photocell dimming, V2V capability on compatible WeCanX® models, and center-section lighting options allow the Liberty II to be configured around specific operational requirements.
Available in nominal 44", 48", and 54" standard lightbar configurations
60" Towman’s™ Liberty II configuration available for towing applications
SOLO™, DUO™, and TRIO™ Linear Super-LED® lighthead configurations
Available warning colors include Amber, Blue, Green, Red, and White, depending on model
Clear, smoked, or colored lenses
Silver top standard
Black, Blue, or Red tops available on select 48" and 54" configurations
Available with WeCanX®, Standard Current, and Low Current control systems
Optional take-down lighting
Optional alley lighting
Optional photocell for automatic nighttime dimming
Optional embedded Vehicle-to-Vehicle Sync antenna on compatible WeCanX® models
Optional rear-center SOLO™ or DUO™ lightheads
Available Midnight Edition with smoked lenses, smoked dividers, and black tops
Standard and low-profile mounting options available
Configuration options vary by length and control system
Configuration availability varies by model, control system, lightbar length, and application. Contact 785 Upfitting for assistance selecting the appropriate Liberty II setup for your vehicle or fleet.
The Whelen Liberty™ II is a full-size warning lightbar built for emergency and commercial fleets that need strong visibility, durability, and flexible configuration options. It uses Linear Super-LED® lightheads along with Whelen’s Proclera® optic technology to produce focused, high-intensity warning output while helping reduce light scatter in rain, fog, and other demanding conditions.
The Liberty II can be configured with SOLO™, DUO™, and TRIO™ lightheads, giving agencies and fleet operators the ability to tailor warning colors and light output to the needs of the vehicle. Available control options include WeCanX®, Standard Current, and Low Current systems, while programmable flash patterns and optional lighting functions provide additional flexibility for law enforcement, fire, EMS, towing, DOT, utility, and other fleet applications.
Its one-piece uni-dome construction, hard-coated lenses, aluminum top, and extruded aluminum platform are designed for long-term durability and weather resistance. Optional take-down lights, alley lights, photocell dimming, V2V capability on compatible WeCanX® models, and center-section lighting options allow the Liberty II to be configured around specific operational requirements.
Available in nominal 44", 48", and 54" standard lightbar configurations
60" Towman’s™ Liberty II configuration available for towing applications
SOLO™, DUO™, and TRIO™ Linear Super-LED® lighthead configurations
Available warning colors include Amber, Blue, Green, Red, and White, depending on model
Clear, smoked, or colored lenses
Silver top standard
Black, Blue, or Red tops available on select 48" and 54" configurations
Available with WeCanX®, Standard Current, and Low Current control systems
Optional take-down lighting
Optional alley lighting
Optional photocell for automatic nighttime dimming
Optional embedded Vehicle-to-Vehicle Sync antenna on compatible WeCanX® models
Optional rear-center SOLO™ or DUO™ lightheads
Available Midnight Edition with smoked lenses, smoked dividers, and black tops
Standard and low-profile mounting options available
Configuration options vary by length and control system
Configuration availability varies by model, control system, lightbar length, and application. Contact 785 Upfitting for assistance selecting the appropriate Liberty II setup for your vehicle or fleet.

