... Plastic casing.lLED type: 3014LED Bebefit:lEnergy Cost Savings; Over 60% Compared to Incandescent.lSolid-State: High-Shock & High-Vibration ... distance of 3.5meters highOperating frequency50-60HzOperating Temperature-20°C, +60°CStorage Temperature-30°C, +70°CNet Weight per piece (g ... turn on/off,dim brightness by Remote controller, and the brightness level is 10%,20%,30%,40%,50%,60%,70%,80%,90%,100%.