Specifications: Led Chips: 120pcs 10W Lumens: 15000lms Voltage: AC85~265V AC Frequency Range: 50 – 60 Hz Lifespan: >50000 hours Working Temperature: -20~40 degree celsius Recommended height: 0.3 – 2 m Certification: CE (EMC LVD) & RoHS & FCC Pakage List: 1X 1200W LED Grow Light 1X Power Cord 1X Free LED Grow Light Hanging wire Using tips: 1. Suitable for hydroponics, horticulture, green house 2. Suitale for plants growing, flowering and fruiting 3. Lighting Time setup: Vegetative Stage: 12-14 hours on; Flowering Stage: 9-12 hours on; Fruiting Stage: 7- 8 hours on Attention:Do not use the lights in dripping water or anywhere where they will get wet, water and electricity can be a dangerous mixture The working environment is -20~40degree, 45%RH~90%RH. To protect the light, Pls cut off the power when there is a lightning strike Don’t touch or move when the light working 1. A part of lights does not shine, indicating that the control of this line of power does not work, you need to check the power to see if the power cord is released, if not released, the line is complete, then confirm the power is bad, need to replace the power supply. 2. If there are a few lamp beads do not shine, it shows that the lamp beads are broken, you need to replace the lamp beads, if not replaced will not affect the normal operation of other lights, because we have a tube above the wire diodes, the realization of this lamp bead does not affect the other lights work properly. 3. Infrared light bulb does not shine.There is also a case of infrared light is not bright (is the customer misjudgment): for the infrared light beads, its brightness is not high, relatively dark, and some customers will think it is bad, in fact, it is not bad.