Description: 【Versatile Power Options】: This round EL cold light sheet offers multiple power supply methods, including two AA battery (not included), USB drive, or 12V wiring. The battery box features flashing and steady modes, while the USB and 12V options provide a constant glow 【Wide Range of Applications】: Ideal for enhancing visibility on computer keyboards, equipment, aviation instruments, digital product panels, emergency signs, elevator floor indicators, subway signage, and interior decorations in spaces like halls and offices 【Security and Emergency Use】: Suitable for security exit signs in high-rise buildings and entertainment venues such as schools and . It also serves as a reliable guide for night-time police traffic signs on highways or complex roads and provides essential security indications in tourist areas or hazardous zones 【Advertising Potential】: Suitable for use in signage such as billboards, door plates, road signs, dynamic advertisements on buses or phone booths. It is an energy-efficient alternative to traditional fluorescent lights for promoting popular products like mobile phones and cosmetics 【Decorative Uses】: This light sheet can be used creatively in toys as a light source or electronic gifts like glowing Christmas cards or tree decorations. It's also great for automotive interior/exterior decor such as dashboards or stickers and can enhance clothing items like hats or shoes with its luminous effect   Specification: Material: EL Cold Light Film Size Chart: Round: 3cm Wire: 50cm Package Includes: 1x Skeleton Decor Glowing Eyes Panel Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.