Builder I do not have an accurate answer to this question. However, I doubt it is 50w. 5w is more likely.

Builder You should have nothing else drawing power from a 110v circuit when you use this welder. Preferably it would be a 30 amp breaker, but you could get away with 20 amps. I have.

Builder The compressor comes with 3 different adapters for various purposes. I especially like the tire adapter because it screws onto the valve, so it will never break. Pressures are easy to set and it pumps up fast.

Builder The device is light sensitive, not motion sensitive. It turns on and stays on so long as the light level is low. However, as the lights are powered by LEDs the cost of them being on all night is close to negligible.

Builder I see only one way the glasses would clip on in the listing. It is a secure way, but not the best for lasting a long time. The clip would have a limited lifespan.

Builder I have bought two of these monoculars. Both served us very well. The first did not have tripod on the list and it came without a tripod. The second had tripod on the list and it came with a tripod. You will find slightly different product IDs and different prices for slightly different models.