These fairy lights are definitely weatherproof and they don’t get hot. Easy to use and bend since it’s copper string. Use these cute lights to wrap stairs railing, decorate your party, they can add a peachful atmosphere， LED String lights composed of Ultra Bright White Color Micro LEDs that don't overheat giving a fairy effect. After hours of use, completely safe to touch without risk of burns.Spacing between each light bulb is 4". The large amount of LED lights on the light wire enhance the brilliance of the copper wire string.