... halide lamp, no need gear box, for factory/industrial lighting industrial lighting:1. specially designed for self-ballastmetal halide lamp, can ... , so no needgear box, very convenient for factory/indoor lighting.2. With high reflection, the reflection ratio can be ... %, and 20% oflight shine upwards, effectively reduce shade.3 operating voltage: 220V-240V/50Hz4. Base: E405. Power: self-ballast metal ...