Full Spectrum & Natural Light: A19 full spectrum grow light appears 4000K white to the eye but has a red/blue light spectrum. Same as natural sun shine, perfect for tomatoes, cucumbers, peppers, leafy greens and herbs at all growth stages. | High Brightness & Energy Saving: A19 LED plant grow light bulbs deliver 180-degree 1000LM bright light output. Use High Lumen LED Chips equivalent to 100w traditional light bulb while consumes only 11 watts, saving 90% of your electricity bill. | Higher Efficiency: LED grow bulb with high light transmission improves plant absorption more effectively. Balanced lighting of full spectrum wavelength can give your plants more light with a high output PPF of 25 micromoles per second. | Longer Lifespan: LED sun light bulbs with low heat generated, suitable temperature for your plants. Use Plastic & Aluminium material to build the cooling system with better heat dissipation | Natural Home Light Color: Unlike those purple or reddish grow bulbs, our indoor 4000K LED grow light bulbs show off your indoor garden without harsh or unsightly lighting, providing a pleasing, natural light, temperature that integrates well with any decorative aesthetic with zero light pollution. | Easy to Install: E26 Base fits all standard E26 sockets. No necessary to find other fixture to fit this bulb. Easy to install this e26 grow light bulb to standard size fixtures.