Unit worked right out of the box using their cables on a table top. The problem is that they provide only a 2 wire plug with no ground, short 4 wire unshielded cable to connect to the spindle (most vendors recommend 4 wire double shielded cable because of EMF caused by VFD/spindle) and no instructions. I replaced the power cord with 3 wire and plug with ground. I also cut off the spindle wire they provided about 6" above the aircraft connector and soldered their provided wires to 4 wire double shielded cable using heat shrink tubing over joint. I then wrapped unshielded wire with aluminum foil which was tied back to the shield on the shielded cable and then applied shrink wrap tubing over the 4 wires and shield. Spindle is very quiet. I'm running it on a Shapoko 3 with belt driven Z axis with no problems. I had 1/8" and 1/4" collets from another spindle and they fit fine but have trouble getting them out after use. I usually have to use a wrench on spindle shaft and plyers to break collet loose. I didn't use water pump and most of the the provided collets are metric which I have no use for in USA. All the provided bits are very small to be used for engraving. The water hose is useable but stiff. I used my own hose from previous spindle which is more flexible. I also didn't use the spindle mount.In summary the unit works as advertised but would be more useful out of the box if better wiring was provided or offered as an option and for USA customers 1/8" and 1/4" collets were provided. Better instructions would also be nice.