GREENGO 1200W led grow light with dual switch , daisy chain design and upgraded aluminum cooling heat sinks, is ideal for all kinds of indoor plants veg and flower at all growth stages.<br><br> <b>➣Using Tips➣</b><br> ✔Working Voltage from 100V to 240V all available.<br> ✔The power cord is double use for power and daisy chain.we suggest max 3 pieces same power GREENGO led grow light in daisy chain.<br> ✔For seeding or young vegetative growth,you can use VEG mode switch.<br>  For flowering and fruiting,you can use BLOOM mode switch.<br>  We recommend the both swithes be turned on during flowering and fruiting stage.<br> ✔ Reference value: Core Coverage area at 3.5'*3.5'. Maximum coverage area at 5.5'*5.5'.<br><br> <b>➣Specification➣</b><br> -LED QTY:112 Pcs - 15W Triple chips LEDs<br> -Nominal Power: 248W<br> -Input Voltage: AC100-240V/50-60HZ<br> -working environment : -20~40℃,relative humidity:45%~95%RH<br><br> <b>➣Package Includes➣</b><br> ◆1 x 1200W LED Grow Light<br> ◆1 x Power Cord<br> ◆1 x Hanging Kit<br> ◆1 x Adjustable Rope Hanger<br> ◆1 x Instruction Manual<br> <br><b>➣Attention ➣</b><br> ❥. Indoor use only, non-waterproof,and do not wash the lamp with water and liquid containing sulfur and acidity. <br> ❥. If the fan stop working , please turn off the power immediately and stop using, and then please contact us for help. <br> ❥. This light includes IR (Infrared) LEDs which look dim, they are not faulty LEDs. It plays an important role in the flowering and fruiting stages.<br> ❥. Extremely bright, do not look directly at the LED bulbs when the light is on.<br> ❥. Surrounding temperature: MUST less than 40℃.<br> ❥. Can be controlled by Timer.<br> ❥. Almost all of the plants need to rest, so working 24 hours per day with LED grow lights is absolutely not feasible, after many studies and experiments show that the illumination time should be control of in 16-18 hours, the plant should be rest for 4-6 hours.