Halco Prism 5W 12V GU4 Dichroic Halogen MR11 Flood Lamp - 30° Beam, 2900K Warm White, 3,000-Hour Life

The Halco Prism 5W 12V GU4 Dichroic Halogen MR11 is a premium low-voltage reflector lamp featuring advanced dichroic coating for a cool beam, integrated UV filter protection, and a tempered glass lens. It produces a smooth 30° flood beam with 2900K warm white light, CRI 100, and a long 3,000-hour rated life. Compact and efficient, this lamp offers excellent color rendering, minimal heat at the illuminated surface, and superior beam control—perfect for precise accent, display, and landscape lighting in residential and commercial settings.

Core Specifications

• Wattage: 5W Halogen
• Voltage: 12V AC/DC (low-voltage, requires compatible transformer)
• Base: GU4 Bi-Pin
• Beam Angle: 30° Flood
• Color Temperature: 2900K Warm White (Halogen Glow)
• CRI (Color Rendering Index): 100
• Dimensions: 1.39" L × 1.38" Dia (35 mm × 35 mm)
• Rated Lifespan: 3,000 hours
• Bulb Type: MR11 Dichroic Reflector

Premium Features

• Cool Beam Dichroic Reflector: Reflects heat backward, keeping illuminated objects cooler
• Integrated UV Filter Protection: Blocks harmful UV rays to reduce fading of artwork, fabrics, and merchandise
• 90% Lumen Maintenance: Maintains high light output throughout rated life
• Universal Burn Position: Can be operated in any orientation for flexible fixture design
• Tempered Glass Lens: Durable protection and smooth light diffusion
• ISO 9001 Certified Manufacturing: Ensures consistent quality and reliability

Ideal Applications

Installation Notes

• Requires Compatible 12V Transformer: Use electronic or magnetic low-voltage transformer rated for halogen loads
• For Use in Approved Halogen Fixtures Only: Ensure fixture is rated for 5W MR11/GU4 and provides proper ventilation
• Handle with Care: Avoid touching glass with bare hands—use gloves or cloth to prevent oil residue shortening life
• Dimmable: Compatible with most low-voltage dimmers (test for compatibility)

Premium low-voltage halogen MR11 for precise, warm accent lighting with excellent beam control and UV protection. While reliable for display and landscape use, modern LED MR11/GU4 equivalents offer 15,000–30,000+ hour life, cooler operation, no UV output, lower energy consumption, and similar brightness (e.g., 2–3W LED replacements).