NOTES: You need to prepare three AA batteries by yourself. You need a 23A 12V battery for the remote control. Package included: 1 x Gesture handheld device (excluding battery) with 3M Velcro tape 1 x Remote control (excluding battery) with 3M Velcro tape Features: Great gesture display lamp Show your feelings to other drivers immediately in a safe and interesting way. This gesture light has three gesture modes, which can help remind and attract the attention of other drivers, or allow a kind driver to show appreciation or thanks. Bright enough for day and night use Composed of 176 LED lamp beads, this gesture car gadget is bright and clear for use during both day and night, ensuring other drivers can clearly see the signals. This is a cool car accessory for drivers. Powered by three AA batteries (not included), it can be used for approximately 6–7 months and has a standby time of up to 8.2 months (0.44 mA). The optional setting (0.20 mA) provides usage of about 8–9 months with standby time up to 17 months. Replace the battery when the light dims. Easy installation Simply remove the 3M Velcro tape on the gesture lamp and remote control, attach to your desired location, and press firmly for 30 seconds (please clean the surface beforehand). Then you're ready to use. Conforms to U.S. traffic regulations This automotive lighting product features amber-colored LEDs with non-flashing light, making it compliant in most U.S. states. Suitable as a gift for men and women, ideal for birthdays, Christmas, and New Year.