The high-efficiency 12watt E27 LED Grow Light is specifically engineered with 12 diodes ( 9 Red and 3 Blue) that each emit 1W. This grow light bulb provides a targeted spectrum of Red ( 630nm and 660nm) and Blue ( 460nm) wavelengths of luminous light that are fully absorbable by your plantsYour plant growing light bulb is suitable for all stages of plant growth. 
No special set-up or equipment required. It is designed to fit a standard E27 or E26 socket. Just screw it in to a simple desk lamp or simple hanging fixture. 

• GROW VEGETABLES AND HERBS ALL YEAR ROUND. Garden's high efficiency 12w grow bulb is suitable for any space where natural sunlight is not optimal. Great for perking up your household plants and growing nutritious and flavorful vegetables and herbs for you and your family from your indoor garden,greenhouse or hydroponic system all year long. Can be used for horticulture, indoor gardens, plant propagation and food production, including indoor hydroponics and aquatic plants.
• The Led Grow Light provides your plants a targeted spectrum(including 460nm and 630nm wavelength). The Plant Grow Lights are used in growing fruits and vegetables, offering them an extra boost in production.
• Energy Saving- LED saves a 60-80% electricity bill than HID lamp. Zero heat emiting- LED is cold light source with built in fans for LED chip cool and run well, won't burn your plants.
• 12 LEDs (3 blue & 9 red), ultra bright. Really helps when the plant need extra boost of light, or a few of sun, raining, snowing , dark indoor etc.
• Easy to Use - With standard E27 or E26 socket, it is easy to set up and use. No special lamp base needed and a desk lamp will do. Lower power consumption,high luminous efficiency and long life span.

GROW VEGETABLES AND HERBS ALL YEAR ROUND. Garden's high efficiency 12w grow bulb is suitable for any space where natural sunlight is not optimal. Great for perking up your household plants and growing nutritious and flavorful vegetables and herbs for you and your family from your indoor garden,greenhouse or hydroponic system all year long. Can be used for horticulture, indoor gardens, plant propagation and food production, including indoor hydroponics and aquatic plants.Jiagelin