I am using this product past 4 mont ago but I am not satisfied this led product .this product very harmful for our eyes. I am purchase this product 12 watt. we have use same daily two brand led. within three month later eveready led brightness come slowly slowly dimness but surya led comparing not come that problem. its product save my money but not givethe shine. so I have purchase surya led bulb this product very good product. so you are try this surya led bulb.