Christmas Window Lights: The snowflake-shaped fairy lights feature 1pcs large snowflake and 7pcs mini snowflake, with a total of 22 white LEDs. Each pack includes powerful suction cups and adhesive hooks for effortless installation on any smooth surface. Create a magical Christmas atmosphere and a falling snowflake effect. Christmas Lights Battery Powered: Powered by 3 AAA batteries (not include), featuring a switch button on battery box for greater convenience without the constraints of power cables or sockets. Ideal for all occasions, hang it on stairs, windows, porches, doors, bedrooms, gardens, terraces, Christmas trees, or any other festival decorations. 8 Lighting Modes & Timer: Christmas snowflake lights feature 8 different lighting modes: Combination, Waves, Sequential, Slow Glow, Chasing, Slow Fade, Twinkle, and Steady On. You can easily select your favorite mode. To activate the timer, simply press and hold the button on the lights for 3 seconds. The timer automatically cycles the lights on for 6 hours and off for 18 hours, saving energy and free your hands. Easy to Install: The snowflake lights come with suction cup for easy installation on glass, gates, cabinets, and more smooth surfaces. Note: Please also use the adhesive hooks to prevent accidental falling. After-sale Service: Providing a satisfaction experience is our main priority to our customers.