Low Battery Consumption and Easy to Use? These string lights feature low battery consumption. It has a small battery box with an ON/OFF switch for easy operation and easy to hide. Each string light requires 2 CR2032 batteries (included and can be replaced easily). New batteries can last more than 20 hours. Light String Flexibility? This micro starry light is made of flexible and sturdy copper wire with insulated lacquer, lightweight, thin and flexible, easy to mold and bend into any shape you want. The ultra-thin flexible copper wire can easily place the lights anywhere you like. Creates a Romantic Atmosphere? There are 20 LEDs on each fairy string. The distance between LED bulbs is 10cm. The 360-degree beam angle and 1.0 watt make the Christmas light soft and not dazzling. Cool white creates a romantic and cozy atmosphere. Safety & IP65 Waterproof? Low power and insulated copper wire will not overheat during use which is safety. This decor string light is IP65 waterproof (the battery