new & high quality.Long lifespan and Easy to use.Touch screen design, modern and convenient to use.Common anode Working voltage: 12-24V DC 2 AAA battery powered controller (battery not included) RF remote controller control distance:30 meters For RGB use Specification: Item: RF remote controller Led type: Led Input voltage: 12-24V DC Max power: 432W/24v Controller battery: 2 AAA battery(not include) Memory function: No Control distance: 30m Dimension: 10.5 x 10.8 x 2.8cm Color: black Material: ABS Package Contents: 1 x led controller kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.