... slip Installation: DIN rail Chioce second-or third-line track Metal Halide Lamp/light 400W E40Aluminum alloy lamp seatlamp holder ... /E27Installation: DIN railChioce second-or third-line rail trackthis track light/lamp can use metal halide and LED light feature ... climate tolerance is better4,Two parts design, more flexible, track pressure is smaller5,The computer simulation design, the distribution of ...