Top Emitting High strength polycarbonate construction with UV inhibitors Precision molded Fresnel lens BatteryCheck alerts you to critically low battery voltage Synchronization; allowing lights of the same family to sync-up or alternate Polycarbonate closed base design with various mounting options Other color combinations available upon request., SPECIFICATIONS: Technology: LED. Mount Style: Permanent. Input Voltage: 12-24VDC. Emitting: Amber, Blue. Sae Class: SAE J845(2013) Class 2. Warranty: 5 Years. Dome Color: White. Amps: 0.7A. Dimension: 3 5/8"H x 7"D. Ship Weight: 3.0 lbs.