660nm Red Light Bulb 18W (36W Equivalent) LED Grow Light for Indoor Plants Flowering Bloom and Fruiting Grow Spectrum Enhancement

- New Version: Currently the old and new versions are shipped randomly, the product is only a difference in the appearance of the bulb, all the function is the same. Please do not worry if you receive a round bulb. - Advanced Deep Red Spectrum: Design with 18pcs 2 watt super bright deep red 660nm LEDs, 120 degree optical lens, higher PAR / Lumen out put per watt than other red LED bulb. The 660nm deep red spectrum is the main and key spectrum of plant growth, especially the flowering and fruiting stage. - Better Heat Dissipation: Build with new upgraded aluminum cooling heat sink, keep good temperature even after 24 hours of continuous use, longer lifespan and more energy less heat. - Easy to Used: Designed to fit standard E26/E27 socket, 100~240V AC, Easy to set up and use. suitable for mini grow tent and greenhouse. It is time to add a small sun for your plants. - Buy with Confidence: We offer 7 x 24 customer service. If you have any questions about our product or encounter any issues, please chat with us via Amazon for prompt assistance.