<p><b>SPECIFICATIONS:</b></p><p>Size: 4.7x4.7x4.5 inches</p><p>Item Weight: 1.2 lbs</p><p>Lifespan: 50,000 hours</p><p>Core Coverage at 24" Height 1x1ft</p><p>Max Coverage at 24" Height 1.5x1.5ft</p><p>Max. Power Draw: 36W</p><p>Avg. Power Draw: 20W</p><p>LED Quantities: 18PCS 2W 660nm Red LEDs</p><p>Input Voltage: AC100-240V</p><p>Frequency: 50-60Hz</p><p><br></p><p><b>INSTRUCTIONS:</b></p><p>Best Use Time:Generally 12~18h</p><p>Optimal Irradiation Distance:</p><p>Seedling Stage: 28~36"</p><p>Growing Stage: 24~32",</p><p>Flowering Stage: 17~28"</p><p><br></p><p></p><p></p><p><b>WARM NOTE:</b></p><p>As the light bulb is very bright, please do not look directly at the bulb when using it.</p><p><br></p><p></p><p><b>PACKAGE INCLUDED:</b></p><p>1 x 36W LED Grow Bulb</p>