Alphami153;Led Grow Light Bulb, Miracle Grow Plant Light 300w Greenhouse Indoor Hydroponic Grow Lighting 9 Band 100pcs LEDs, brighter than other LEDs. 3w Epileds high power Par Value ensured, high lumen, high brightness. Long lifespan for growing indoor/greenhouse plants. 100pcs LEDs included UV(ultraviolet) & IR(infrared) led. UV function: sterilization, kill bacteria which seriously influence plants flowering & growing. IR function: promoting cell division and flowering & veg,increase yield in a certain degree. 2 cooling fans, better heat dissipation than other 1 cooling fan grow light. Light won't generate any ultra heat even works 18hrs a day, keep light has longer service life. Zeners exit, the function is protect LEDs from stopping working while one LED is broken. Suitable for flowering and veg stages, growers don't need to order 2 lights, one for flowering another for veg. Instead they can use the light all the time during plants growing. The most important function: Daisy-chain connection. 2 or more lights can be connected and used together without extra power cords. Energy & money & time saving. Order 1 light, 1 power cord and 1 hanger kit come with light. (1 Power cord & 1 rope hanger included in each package)