Zhizhu Silver ball 20 led Solar Powered Outdoor String Lights for Outside Garden Patio Party Christmas (Warm White) POWERED BY SOLAR: Built-in 600mAh NiMH battery powered by solar. Make sure the solar panel point to the sunlight and it will automatically charge during the day and light on at night. DUAL WORKING MODES: Steady and flash mode are available by press mode button. Silver orbs decorates your space in the daytime with sleek design and add life and atmosphere with light in the night. BEAUTIFUL & HIGH QUALITY BULLET: Completing with 12 warm white led light which all protected by metal shells and not easy to be broken. Help to beautify your garden and roof with gorgeous light. IP64 WATERPROOF & LONG WORKING TIME: Up to 8 hours (steady on mode) working time at night and lasts 12 hours at the blinking mode. EASY TO SETUP: Just be sure it is installed in a well-lit location where the solar panel can get maximum sunlight during the day.