DeVida Green and White St Patrick's Day Solar String Decorations Lights, Outdoor 100 Mini LED Waterproof Set, Best For Yard, Party Decor, Tree Trunk Wrap, Bush, Patio, Home Exterior SOLAR LIGHTS need 6-8 hours of daily daily sun to work best :) We'll send you a User Guide to maximize results. EXTRA LONG: 40 Feet total = 32.5 ft of lighting on dark green cable plus 13 ft of lead wire SAVE MONEY: No Electrical cost. 6-8 hours of sunshine lights your outside party and decor all night LIFETIME WARRANTY If there's enough sun.. we guarantee they work! Limited supply. Order now STRESS FREE turns on automatically at night for home exterior, path, patio, shrubs and more.