Feature:1. Just applicable to SKI780 series external control panel.2. Panel can be connected externally via network cable.3. 1m cable length, external control is safer and more convenient.4. RJ45 interface type, more simple and convenient.5. The panel is removable and easy to install, saving time and effort.6. After strict manufacturing procedures, the product process is refined and meets standards.Specification:Item Type: SKI780 series external control panelApplies To: SKI780 series inverterCable Length: Approx. 1m / 3.3ftInterface Type: RJ45 interfacePanel Size: Approx. 87 x 66 x 20mm / 3.4 x 2.6 x 0.8in (length, width, height)Panel Frame Mounting Hole Size: Approx. 81 x 61mm / 3.2 x 2.4in (Depth: Approx.16mm / 0.6in).Package List:1 x Control Panel (Including Housing)1 x Connecting LineNote:Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.This product is a new panel and can only be used with the upgraded new version of the inverter (gray link terminal), not with the old inverter (green link terminal).