This shaft light series are designed for easy installation in the shaft, with build-in brackets, stable internal cables, the lights can be composed to one set and pull down from the top of shaft, then fix them with self-drill screws, easily and fast !
We have T5, T8, IP65 for your choice, highly recommended is our IP65 series, which are all pass CE, TUV, UL. Protection level is IP65, more application in outdoor. 
Specification:
-Energy efficient, low voltage bulbs
-Fully complaint with EN81 part1 and 2
-Kits are available for 20 units connection (10 units a team to prevent over loading )
-Required power supply for 230-240VAC
-The kits comes with all required plug and play cables, fixing & mounting brackets. 
-Simple three wire system or double control four wire system as required.