1、[Romantic Ambience]: The Happy Birthday letter LED lights illuminate the room, adding a touch of romance and creating a dreamy ambience that you won't forget. 2、[Energy Saving and Safe]: The Happy Birthday light can be directly powered by a computer, or power bank. The USB connection cable includes an on and off switch and consumes low energy. 3、[Easy Installation]: Designed for wall mounting, the Happy Birthday sign has pre drilled holes and come with a hanging chain for easy installation and convenient mobility. 4、[Acrylic Material]: The Happy Birthday letter lights are crafted with a sturdy and highly transparent acrylic backing, ensuring both durability and safety. The colors will not fade or experience flickering over time. 5、[Wide Application]: The neon Happy Birthday light is perfect for birthday parties at home, bars, cafes, shops, apartments, dorm rooms, restaurants, etc, adding a festive and joyful touch to any celebration. 1 x Happy Birthday LED Light1 x Hanging Chain Item Type: Happy Birthday LED LightMaterial: ABS, AcrylicSize: Approx. 40 x 31cm / 15.7 x 12.2inPower Supply: USB Power Supply