1. No fans = No noise.

2.  Passive heat sinking

3.  Waterproof, can be used more widely than other common led grow lights.

4.  With high quality Samsung led chip, quality is guaranteed.

5.  Return rate: less than 1 per thousand

6.  Samsung chip, meanwhile driver,  this is the highest standard

Specifications:

• Power: 500W
• Real power: 450W
• U-mol Output:
• Height 60cm, 550umol/(m·s)
• Height 99cm, 390umol/(m·s)
• Optimal Height: 100cm suit Grow Room 6x6 feet, 1.8x1.8m Maximum
• LED quantity: 312PCSx8 = /SMD 2835
• Current: 150mA
• Power factor: >0.9
• Size: 1000x1000x91mm
• U-mol: 2.3 per watt
• Input voltage: AC 85 ~ 265 V
• CCT: (correlated color temperature) Full spectrum
• LED brand: Samsung LM561C – offers higher PPFD and brighter than lesser LM281B model.
• IP grade: IP65
• Angle: 120 degree
• Material : Aluminium
• Storage temp -30°C ~ 60°C
• Working temp -25°C ~ 45°C
• Life: 50,000Hrs