every single one is tested for function before dispatch
swivelling and rotating on its own axis, approx. 40-45 degrees, estimated, continuously
ready-plugged between the lamp and the ballast, it is connected to the 230V mains at your end via terminals or the like, by a qualified electrician
1 unit: 1 lamp + 1 electronic ballast, LEANPROF, almost silent + 0 or 1 bulb 1x150W CDM-T, the bulb subject to availability, and while stocks last, since I do not buy any more, and for the 9 150W CDM-T units I have on ebay at present I only have about 5 bulbs
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. 195mm
the swivelling part has a diameter of approx. 145mm, the glass 110mm
a cut-out of approx. 180mm is needed, and where the 2 brackets are rather a few mm more
the installation depth 150mm
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