WIRE WHICH CONNECTS BOTH UNITS TOGETHER. PLEASE NOTE ORIGINAL BOX AND MANUAL NOT INCLUDED. AL SOL CONTROLLER DISPLAY MENU IS WELL CLEAR AND EASY TO SET UP. The item "2x AI SOL LED LIGHT UNITS & CONTROLLER FOR MARINE AQUARIUM FISH TANK" is in sale since Tuesday, December 06, 2016.This item is in the category "Pet Supplies\Fish & Aquarium\Lighting & Hoods".aconite" and is located in Rushden. This item can be shipped to United Kingdom, to Austria, to Belgium, BG, HR, CY, CZ, DK, EE, FI, to France, to Germany, GR, HU, to Ireland, to Italy, LV, LT, LU, MT, to Netherlands, PL, PT, RO, SK, SI, to Spain, SE, to Australia, to United States, RU, to Canada, to Japan, to New Zealand, to China, IL, to Hong Kong, NO, ID, MY, to Mexico, SG, KR, to Switzerland, to Taiwan, TH.