DR4  1500 W DC 12 - 15 m 39 - 50 ft       DR4   1700 W DC 14 - 16 m 46 - 52 ft       DR4   2000 W DC 15 - 20 m 49 - 66 ft       DR4 3000 W  AC  15-20 m  49-66 ft        Gypsy

For anode type 15 you need one connection kit

115/230 AC 50/60 Stainless 22

OSP KIT TRANS 1200 GP2 FF

Furthermore

Emden-Medium LED, Stainless Steel, Warm White/Red Charger DR4 1500 W DC 12A robust precision made dimmable Bi Color LED downlight fixture built for harsh environments. This quot; slavequot; model from the Emden family features both red and white operation. For dimming control of both colors, a single Emden bi color quot; masterquot; must be used in the circuit. In this case a single (or multiple) single throw momentary push button switche(s) are used to control and synchronize the entire circuit. For basic 3 position (white