Atopsun  Full Spectrum Led Grow Light Bulb UV IR 30W E27 For Plants Vegetables Flower Hydroponic System Grow Tent AC85-265V Troubleshooting steps: When you receive this bulb, pls check it carefully. When you plug it in socket, please observe it to see if it working properly. If there is any problem, pls feel free to contact with the seller. We are sure to reply you within 24 hours. Wed like to send a free replacement or refund. Warranty-----1 year. Full Spectrum: 22Red+12Blue+2White+2IR+2UV, be suitable for all stages of plant growth Luminous :1200lm; Size: 58(D)*72(H)mm Weight:90g Input Voltage: AC85-265V ; Designed to fit standard E27 fittings, easy to install 30W equivalent; Actual Power Consumption: about 7W, energy saving led light!!!