Kootek LED Grow Lights 15W Hydroponic Lights 15 LEDs, E27 Plants Growing Bulbs for Indoor Greenhouse Hydroponic Lamps Highest Efficient Grow Lamp LOW POWER CONSUMPTION: 15W LED, energy-saving, LED lights have average lifespan of 50,000 hours HIGH QUALITY AND NO HEAT: brilliant all aluminum housing and intelligent heat sink design helps to maintain a cool temperature even after hours of use. FIT STANDARD E27 SOCKET: simply twisted into the socket, easy to set up and use. GROW LIGHT WITH FULL WAVELENGTH: kootek led plant grow light have 15 LEDs (5 blue & 10 red), full spectrum wavelength to boost sprouting, budding and flowering. Perfect for the Organic Farmers & Growers. Add to your hydroponics and aquaponics grow systems and watch the rapid production!