I purchased this to paint the exterior of my house. I have an air sprayer but this generates overspray and seemed to use more paint than necessary. Item arrived quickly and was well packed with polystyrene inside a cardboard box . Simple to assemble by me, but instructions may be a bit vague if you are not a logical person. Gauge goes on outlet , then tube, then lance, then nozzle. Nozzle is a good general purpose type, read online for what different types do, lots of easy to understand information. Mesh filter goes on large diameter tube which pushes into the bottom of the pump" after removing the black rubber protector. Put the mesh filter in a bucket of water withe the tube that came attached, then turn on the sprayer, turn the switch on the side so it pops out a bit, this primes the pump by sucking in the big tube a blowing out of the other , turn the switch back and the pressure gauge should increse to working pressure, squeezing the trigger will operate the sprayer. I left the pressure as is from factory and it was fine with this nozzle and the paint i was spraying.
I have so far only used a smooth exterior acrylic and the spray pattern was excellent, painted front of 2 floor house in a morning , used 45 litres of paint, definitly less than air sprayer and coverage was quicker. So Recommend for functionality.
Cleaning takes some time, keep using buckets of clean water as when first started , to purge the pump and lance until water is clear. I recommend as per the instructions then taking off the filter tube , turn unit upside down and spray some light oil into the pump chamber and mechanism before storage .
So initial impressions using with smooth water based paints are good, Recommend
Kevin Grimmond 
DIMITRIOS KOUTOUPIS 
