Orbgrow OG11A Grow Light Bulbs for Indoor Plants, Integrated Dimming & Timing, 5000K 11W(100 Watt Equiv), E26 Plant Light Bulb, Full Spectrum, High PPFD for Seeds and Greens, 1 Pack, White Integrated Stepless Dimming & 3 Timer Settings: The grow light bulb features an integrated dimming and timer panel directly on the bulb. Effortlessly adjust brightness levels with stepless dimming and set timers for 4/8/12 hours as needed. No additional accessories are required for operation E26 Bulb & Wide Compatibility: This LED grow light bulb features a standard E26 base, making it compatible with most light fixtures. Its Flexible design is perfect for indoor plant setups, including grow tents, shelves, and tabletop gardens. Energy-efficient and easy to install, it’s an excellent choice for home plant enthusiasts High PPFD & Efficient Lighting: Designed for optimal plant growth, OG11A plant light bulb delivers 1550 lumens of bright, combined with a high PPFD of 1980.5 μmol/m²/s at 3.94 inches (10 cm) height. With 36 high-efficiency chips, it provides intense lighting to meet the needs of your indoor plants during all growth stages Full Spectrum & CRI 98: The grow light bulbs for indoor plants offers full spectrum efficiency with a Color Rendering Index (CRI) of 98, providing the ideal light wavelengths for photosynthesis at all plant growth stages. From seedlings to flowering, this grow light ensures your indoor plants thrive Efficient Heat Dissipation & Distance Guide: OG11A grow bulbs deliver 5000K light with efficient heat dissipation, using a plastic and aluminum cooling system to keep temperatures plant-beneficial, while maintaining a minimum distance of 7.87 inches (20 cm) above the canopy to maximize growth and reduce the risk of overheating