Growstar Led Grow Light Bulb Plant Light Growing light for Indoor Hydroponic Plants Garden Greenhouse,5W Professional Lighting. The Led grow light provides you a full spectrum Easy to Use. With standard E27 socket,it is easy to set up and use With 5 LEDs ( 3 Red and 2 Blue).Suitable for all stages of plant growth,flowering and fruiting By using aircraft grade aluminum and a unique heat sink design to maximize heat dissipation area,the LED maintains a cooler temperature even after 24 hours of continuous use 2 years warranty, 30 days money back