1. Voltage: DC5V2. Power: double-headed 18W, three-headed 27W3. Lamp beads: 2 heads 96 lights, 3 heads 144 lights4. Light color: 3000K warm white full spectrum5. Function: Timing dimming / memory cycle6. Aluminum alloy heat sink, rotatable lamp holder7. Stainless steel hose, corrosion-resistant, not easy to rust8. Note: the product does not include a power adapter

http://olla.gr/led-plant-growth-full-spectral-fill-light-e27-clip-plant-lamp-indoor-corn-light-without-power-adapter-power-2-heads/