Kerr Lighting 12 v Commercial Paver Light 4" x 8" for Walk, Patio, Driveway,& Pool Deck Installation , Box of 20 Actual size = 3 15/16" Wide x 7 7/8" High x 2 3/8" Deep One of the strongest & most durable ground & surface installed lighting fixtures available today. You can walk & drive on these lights quite safely. They also come with a 2 year manufacturer warrantee TJB-INC supplies free technical help