Description BlackSun-S4 grow light is our newest designed : A: High-Tech cooling coating, and a temperature monitoring, make sure the light a long lifetime. B: No cooling fans, give you a deadly quite working space. C: LUMENS LED Chip from Korea, highest quality. Same quality as Cree CXB3590 LED. D: Ultra-thin only 31.5mm and very light, compare to other grow light. E: Aluminum Case, Anti-rust, comes with hanging hooks and adjustable wires F: Black Case and tempering glass cover. Very cool and fashion, 99% light transmittance, and dustproof for the LED COB. Parameters: 1.Model No.: BlackSun-S4 2. Power: 360W(S4) 2.Case color: Black 3.LED (Qty): S4 4pcs * 90W LUMENS Chip (wall draw power 120W) 4.Wavelength: Full Spectrum 380nm~780nm 5.Light Color: Warm White 3500K 6.Input Voltage: 120Vac or 230Vac 7.Frequency: 50Hz/60Hz 8.COB Led Brand: LUMENS 9.Flux Lm: 43500lm 10.Lifetime: 50000hrs 11.N.W:3.08KG Package List: 1 x BlackSun-S4 Grow Light 2 x Hanging Wires 1 x Power Cable Application:Suit for vegetable, flower, Money tree, Medical herbal plants etc. And suit for all the growing stage. Products can work continually Caution: Not waterproof, don`t get wet in the rain or in the water. Please don`t touch the case when working. Growing Tips: 1.Temperature :26.7~30 ,CO2 enrichment :1500ppm, potential 2. The working environment for the light is -20~40 degree celsius,45%RH~90%RH. 3. Potential hydrogen (PH) : 5.5~6.3(soil), 6.0~6.5(wood) 4. Don’t touch or move when the light working. 5. Don’t block the air inlet and outlet, keep air convection, Don’t look at the CF Grow lights directly while it’s on 6. Highly hang the lamp will weaken the energy and affect the growth cycle of the plants, so the lamp should not be hung too high. At same time, don’t hang the light to plants too close, or it will damage plants. About 0.8~1.2 meters height is a good choice.