Mushroom Decor Lights: the mushroom string lights are approx. 10 feet in length and equipped with 40 LEDs, the wire is made of quality copper, thin and flexible, the wires and LEDs are waterproof, but don't put the battery case in water USB & Battery Power Supply: this mushroom night light can be powered by a USB cable or battery box (3 AA batteries (not included)). Warning: the 2 charging methods cannot be applied at the same time; If using USB, please remove the battery 8 Light Modes: the mushroom lights brightness is dimmable with 8 light modes: combination, in waves, sequential, slogs, chasing/ flash, slow fade, twinkle/ flash, and steady on for your choice Easy to Use: the Christmas mushroom lamp comes with 6 hours build in timer, low voltage and won't overheat after, wire and LED bulbs are water resistant Wide Range of Application: the mushroom decor lights are suitable for both indoor and outdoor decorations, widely applied to Christmas, spring decoration, you can decorate them where you want, like bedroom, patio, tree or fence plants etc Mushroom decor lights mushroom lights string 10 feet silver wire 40 LED USB and battery powered with timer for fall decorations, wedding, bedroom, thanksgiving Christmas decorations Mushroom lights features: Battery and USB plug in operated. Timing function of automatic turning off after 6 hours. 8 Light modes: combination, in waves, sequential, slogs, chasing/ flash, slow fade, twinkle/ flash, and steady on. Quality material: Silver plated copper light wire, flexible and not easy to break. Specification: Color: as pictures shown Size: 10 feet/ 3 meters LED quantity: 40 LEDs Operation: battery box Package includes: 1 x 40 LED Christmas mushroom lights 1 x Batteries box (3AA batteries are not included) 1 x USB cable Warming tips: Manual measurement, please allow slight difference on size. Winding risk may exist, please keep away from children. Warm reminder: For safety and longer life, always fully unfold the bulbs before use. Bundling them can cause overheating and hazards