Product: LED Hand Auto — ABS LED hand sign for car rear window, 214 LED beads, remote-controlled Key benefits Communicate clearly and safely with drivers behind you: show short, readable messages without turning around or shouting. Increase visibility and attention: high-brightness LEDs keep your message visible by day and night, in sun or rain. Simple, damage-free installation and operation: attaches with Velcro to rear window, no drilling required. What it is and how it works Construction: Durable ABS housing with 214 LED beads for bright, consistent illumination. Display options: 4 hand signs (Tap, Pause, Love You, Finger) and 4 emojis (Naughty, Sad, Angry, Happy). Select messages quickly with the included remote control. Color: LED display lights up in orange when active. Power and control Remote control operation for convenient, hands-free selection of signs and emojis. Dual power options: USB Type-C input or 3 x AAA batteries (not included). Use USB Type-C for continuous in-car power or AAA batteries for portable use. Performance and compatibility High-bright LEDs designed for clear visibility in daylight and at night. Fits most car and truck rear windows; suitable for passenger cars and light trucks. Intended for interior mounting on the rear glass using the supplied Velcro strip. Installation and maintenance No drilling or permanent modifications required. Clean and dry the window area, attach the Velcro strip to the device and press firmly against the glass for 30 seconds to secure. Easy to remove and reposition without leaving damage to the window. Practical use scenarios Road safety: Use the Tap or Pause signal to alert drivers behind you to slow down or stop, reducing misunderstandings in traffic. Courtesy and fun: Send a quick Love You or Happy emoji to friends or family following you during a convoy or road trip. Mobile accessory: Keep the unit powered by AAA batteries for temporary use on rented vehicles, in parades, or at outdoor events where USB power is not available. What’s included and important notes LED Hand Auto device with 214 LED beads, remote control, and Velcro attachment strip. Power accessories: use USB Type-C cable (not always included—check product listing) or 3 x AAA batteries (not included). The display color is orange when lit. Batteries are not supplied. This LED Hand Auto is intended as a communication and visibility aid for vehicle occupants. Follow local traffic laws and use responsibly.