Protocol: USITT DMX-512, RDM compatiable. Control mode: DMX512, sound-activate, standalone, master-slave. Dimmer mode:16bit speed dimming. Waterproof rated: indoor use only. Return items must be the problem of product itself, not Wrong manipulation by user.We will try our best to solve the issue. Your satisfaction is our first priority. The item "7x18W 6in1 Led Par Light RGBWA UV MINI Led Par Stage Lighting 12pcs/lot Dj Disco" is in sale since Tuesday, July 24, 2018. This item is in the category "Musical Instruments & Gear\Stage Lighting & Effects\Stage Lighting\ Single Units". The seller is "szbecencom" and is located in Los angeles ,CA. This item can be shipped to United States.