oddlonSOLARATTENTION:Before installation and lighting,please tighten the bulb for betterprotection and waterproof.STRING LIGHTUSER MANUALShould you experience any issues while operating any of our products, you can directly reach out to our CustomerSu ort via Amazon Orders or ou can send our in ui to our Official Customer Su ort at:support@addlonlighting.comMonday - Friday from 9:OOAM - 5:OOPM (PT)