every single one is tested for function before dispatch
swivelling, through approx. 30 degrees, estimated, rotating on its own axis, positionable without fixed steps
ready-plugged, it is connected to the 230V mains at your end via terminals or the like, by a qualified electrician
1 unit: 1 lamp + 1 conventional ballast +1 bulb 1x70W CDM-T
CDM-T has a pin base for plugging in and pulling out, switch off first, let it cool and do not touch it directly,  see the pictures
something like HQI, it gives about 10x more light per watt than incandescent or halogen lamps, ballast technology/equipment after all, which produces an ignition voltage of about 5000V, it needs UV protection, the built-in glass provides that
the cover approx. 237mm
the swivelling part has a diameter of approx. 165mm
a cut-out of approx. 200mm is needed, and where the 2 brackets are rather almost 204mm
the installation depth 180mm
with bulk purchases the packing is optimised, please clarify this after purchase and before payment: ask for the total amount
approx. 5kg per unit, estimated, because of the ballast