... led temperature below 40℃. 3. 20% PAR and design idea higher than industry same level which we use original import chips ... frame and sink, quiet fan make up better cooling system, one day later, that led grow light temperature ... and soil culture. Can be used in house garden, pot culture, garden, sowing, breeding, farm, flower ... for the light is -20~40℃,45%RH~90%RH. 3. To protect the light, Pls cut ...