I know this is a while from your posting date.
True draw power x 3 = hps
Such as a 133 - 134 true draw power led grow light = 400hps.
200 true draw power = 600 hps.
250 draw power = 750 hps
333-334 true draw power = 1000 hps.
Do not look at manufactures bull 1200 watt, when it draws 220...