A. Reliable PCB program ensure stable and smooth moving. B. Driving motor comes with bearing on shaft, lesser wearout. C. Electronic swith inside, quiet and long last than mechanical one. D. Havey duty ball bearing wheels, silent running. E. Built-in adjustable time delay 1-120 second that will pause the light at each end for more balanced growth. F. 2 pieces of 1.1m/3.6ft extensionable rails to reach more growing space. G. 4.5m/14.76ft power cord available in 120V/60Hz and 240V/50Hz for different countries.
