All 20 lamps were used. Power consumption of 70 watts 1000Watt minimized.
Light is very bright but you get used to it.
I would buy this lamp at any time and can recommend it only.
The only "disadvantage" ...... I see, down the corridor, now the street dirt that was not noticed by the halogen spotlight. :-) So best still buckets and cloths to order. -D
