Yield Lab Blue Digital Dimming Ballast.

The Yield Lab 400w HPS+MH Cool Tube Reflector Grow Light system is the premier complete HID lighting kit for indoor horticulture. No need for any supplemental lighting such as fluorescent or LED's to provide you the full spectrum and balanced light they need.

• Warranty: 1 Year
• Certifications: UL, CE, RoHS
• Working Voltage: 120v or 240v (220v plug not included)
• Frequency: 50/60Hz
• Silent cooling fans
• 8-1/3ft Power cord to wall

• Power: 400 watt high output
• Life span: 24,000 hours
• Lumens: 55,000
• Color Temperature: 2,100k
• High luminescence efficiency increases plants yield
• Fits all standard 400w HPS grow light systems
• Perfect for any flowering plant

• Power: 400 watt high output
• Life span: 10,000 hours
• Lumens: 36,000
• Color Temperature: 5,500k
• High blue spectrum concentration for increased vegetation
• Fits all standard 1000w MH grow light systems
• Perfect for any leafy plants such as lettuce or herbs

• 25" Length with 6" Air Duct Ports
• Rust proof white powdercoated frame
• Resistant to high temperature
• Reflectivity over 90%
• 15ft. Cable