That's a reasonable price... couldn't build it for that.
Is it plug and play?
It was.
I've been meaning to make this mod on my trucks, and I looked at everything that was available.
This one had good specs, and installation was "no issue" (easy as hell, actually); the wiring length and connector quality met my expectations.
The pluses were, ceramic headlight sockets, and the plastics of the other connectors was good. Harness is fully protected, with vinyl sleeve or split loom. They used good copper wire with decent gauge, and connector gaskets were present on all connectors. Terminal crimping was very good, and the standard relays, externally looked to be decent quality.
The only complaint I have, is the fuses are a type that I'm not familiar with (I would have preferred Maxi fuses), but if these kits prove themselves over time (I ordered three, for three of my trucks), I'll hardwire them to the underhood fuse boxes and fuse them that way, with an unused OEM slot.
The seller looks to be a substantial mover of Chinese-made lighting products (my order was shipped from CA, with excellent service). Plus, they've sent me discount codes for more purchases. I'm planning on ordering LED bulbs from them, to change all of my interior lighting over to LED to help with the door-open current drain on the batteries of my trucks.
I have nothing against off-shore manufacturing, if no corners are cut. I'm very satisfied with this purchase, and I'm very happy with the cost. I also could not build the harness for what it cost, shipped to my door.
