Just received my DM-RDC227IPT-KS20IC-W1 from Huisun and just finished bench testing it...nice cam. Trying to figure out how I'm going to wire it to where I'm going to mount it. I'll have a 40' run and have bought a 24vdc ps (adjustable) to compensate for the voltage loss. The camera is rated at 3a and 38 watts. Been debating on what size wire to use. Any suggestions?