DescriptionThis 3W led plant grow light bulb have 36 LEDs, ultra bright. Really helps when the plant need extra accelerating of light, or when in a of sunlight, raining, snowing , dark indoor environment etc.Feature-Color: Silver. - Material: PVC+LED. - Size: 5.5 x 5.5 x 5cm. - Interface type: E27 - LED Light Unit: 36 LEDs - Voltage: 85-265V - Service Life: 50000H - 36 LEDs, ultra bright. Really helps when the plant need extra accelerating of light. These growing lamps the wavelength of light which can be fully absorbed by the plants photosynthesis; no energy waste like fluorescent lights etc. - This LED Grow Light Bulb are designed for fit standard E27 socket. - AC 86-265V Voltage, fit for almostly all the countries in this globe. Special overheat proof design, prevent this lamp itself from overheated. - These growing lamps the wavelength of light which can be fully absorbed by the plants photosynthesis; no energy waste like fluorescent lights etc. Sources rich in red light are more efficient and beneficial for photosynthesis, best for blooming and fruit .The Chlorophyll and Carotenoid need blue much, good for the photosynthesis, best for promoting the leaf.