Glass is Class Gen 2 Clear Lens / White LED Watermelon Light – Dual-Function Marker & Signal
Dual-function watermelon light with clear tempered glass lens and AlphaFit G2 white LED. Designed for marker and signal applications with pure white output, high thermal efficiency, and full 12V/24V compatibility.
Dual-Function AlphaFit G2 LED System
Three-wire LED system supports independent marker and signal operation.
Features include:
- 15W low-power mode (marker/running light)
- 20W high-power mode (signal or constant output)
- Straight PCB LED architecture for uniform beam output
Provides consistent illumination without diode clustering or shadowing.
Clear Glass Lens with White LED Output
Clear tempered glass lens allows full output of the white LED without tinting.
Key characteristics:
- Clear glass with radial prism (starburst) optics
- Produces a neutral, crisp white output
- Even beam distribution with no pixelation
Delivers a clean, high-clarity beam compared to multi-LED cluster designs.
Advanced Thermal Management System
Designed for continuous high-output operation.
Cooling system includes:
- Oversized anodized aluminum housing
- Integrated heat sink fins
- Internal high-speed cooling fan
- Copper-based thermal transfer through LED base
Maintains stable output under sustained load conditions.
Positive-Pressure Venting & IP68 Sealing
Sealed housing with active moisture management.
Features include:
- Internal fan generates positive pressure
- Four PTFE one-way vent valves
- Thick silicone gasket sealing lens to housing
- IP68-rated protection against water and dust
Prevents condensation and internal fogging in all environments.
12V / 24V Dual Voltage Compatibility
Compatible with both automotive and heavy-duty electrical systems.
- Operates on 12V and 24V without modification
- No external resistors or converters required
Suitable for semis, pickups, agricultural, and off-road applications.
Standard H11 Bulb Platform
Uses replaceable AlphaFit G2 LED bulb with H11 base.
Benefits include:
- Easy bulb replacement or upgrades
- No need to replace full housing
- Standardized connection platform
Application & Use Cases
Designed for:
- Marker and signal lighting
- Cab and air cleaner lighting
- Show trucks and custom builds
High-output configuration is best suited for off-road and display use.
Installation & Fitment
- 3-wire harness: ground, marker (low), signal (high)
- Standard watermelon light mounting footprint
- Fits most aftermarket brackets (sold separately)
No additional modules required for standard operation.
Build Quality & Materials
- Clear tempered glass lens
- Anodized aluminum housing
- Active + passive cooling system
- PTFE venting system
- Silicone sealing gasket
Designed for durability in vibration, heat, and harsh environments.
What’s Included
- 1 × Glass is Class Gen 2 Clear Lens / White LED Watermelon Light (pre-assembled)
- 1 × Pre-installed AlphaFit G2 LED bulb (H11, dual-function)
- Integrated cooling fan and heat sink system
- Pre-wired 3-wire harness (ground, marker, signal)
Note: Mounting bracket sold separately.
Warranty Coverage
Backed by a 1-year limited warranty from BTS Lighting.

















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