Can I connect 2 strings lights together? No. As these rgb rope string lights are not designed to be connected, they only could be used separately. Can these RGB lights color be adjusted? No, these string lights work with 8 dynamic mode, 7 colors chasing at the same time or warm white all the time.The bulbs are solid color or multicolor. Are these bulbs energy efficient? Yes, our bulbs are LED energy-saving plastic bulbs, 3.5W is equivalent to 40W of traditional bulbs.IP65 waterproof and shatterproof. Are these lights solar-powered? No, these rgb string lights are plugged in. Why JACKYLED 48FT Outdoor String Lights Stand Out? Innovative Design: RGB cord & LED bulbs let the magic of light flow smoothly.Super Bright: Upgraded to 160 RGB units, they provide more evenly and densely light illumination.Warm White & RGB Color Changing: Multi-colored, works in 8 patterns (Auto, Steady Warm, Steady RGB, Flash, Sequential, Slo-glo, Slow Fade, In Wave).Shatterproof LED Bulbs: Not easy to break even if dropped on the ground.IP65 Waterproof: Ready for all weathers outside. Working temperature range -4℉~131℉ Previous page Next page 1 Windproof＆Shatterproof 2 Waterproof＆Snowproof Previous page 7 RGB Color Changing Lights Ideal for ambience mood decoration of party, christmas, birthday, wedding, bistro and so on. Next page 1 Outdoor party lights 2 For Festival Decor 3 For Birthday Clebrations 4 Bistro string light Previous page 3000K Warm White Lights It is a great chioce for accent lighting.Such as patio light,garden light,gazebo light,fence light. Next page 1 Patio Light 2 Garden Light 3 Gazebo Light 4 Outdoor lights