BYB&reg; - 3 Packs Color-changing Solar Crackle Glass Ball Light - 3.5" Steady transparent crackle glass balls not easily break Advanced solar technology provides 6-8 hours of light on a full charge. Energy-efficient color-changing LED light with a life time of up to 100,000 hours On/off switch for easy and convenient control Transparent & impact-resistant crackle glass ball-shaped light constantly cycles from red to green to blue at twilight