Kerr Lighting Residential Paver Lights 4" x 8" for Walk, Patio, Driveway, & Pool Deck Installation , Individual 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