Princeton Tec Quad Tactical LED Headlamp AAA Blue/Green/Red/White 78 Lumens Black. These Tactical Headlamps from Princeton Tec augment the original Quad's lightweight and durable design with three interchangeable lens covers which filter the four Ultrabright regulated LEDs into red blue or green light. Ideal for climbing fishing paddling caving camping or work. Princeton Tec Flashlights are built with extreme care to ensure extreme performance. Specifications for Princeton Tec Quad Tactical LED Headlamp: Manufacturer: Princeton Tec Beam Color: Red Blue Green White Light Output: 78 lumens Additional Features: Regulated Output Included Accessories: Batteries Red blue and green lens covers Application: Tactical Battery Type: AAA Bulb Type: LED Fabric/Material: Plastic Weight: 101 g Battery Life: 150 hours Flashlight Type: Tactical Condition: New Water Resistance Level: IPX-7 Battery Quantity: 3 Lumen Range: Brighter - 51 to 150 Lumens Age Group: Adults Features of Princeton Tec Quad Tactical LED Headlamp: 4 Lighting modes: High Medium Low and Strobe Includes 3 interchangeable lens covers: Blue Green and Red 4 Ultrabright LEDs Waterproof down to 1 meter for up to 30 minutes Regulated LED / Constant Brightness Multiple modes and settings to regulate brightness beam width and battery usage Focused Wide Beams for multipurpose activities Pivoting head lets you focus light where it's needed. Bracket can also mount on any 1-inch gear straps. Adjustable buckle doubles as battery compartment opening aid. Uses 3 AAA batteries (included) Package Contents: Princeton Tec Quad Tactical LED Headlamp Princeton Tec Quad Tactical Headlamp-Black