* You need to prepare three AA batteries by yourself.* You need a 23A 12V battery for the remote control. Package included: 1* Gesture handheld device (excluding battery)1* Remote control (excluding battery) Features: Great gesture display lampShow 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 A kind driver shows your love or thanks. Of course, a driver turns a bird onto the road to do annoying things.Bright enough in the day and nightIt is composed of 176 LED lamp beads. Gesture car gadgets are bright and clear enough for you to use in the day and night, to ensure that other drivers can clearly see Gesture gesture lights. This is a cool car gadget for drivers. Powered by three AA batteries (not included), it can be used for about 6-7 months and can stand by for 8.2 months (0.44 mA).The optional (0.20mA) can be used for about 8-9 months, and the standby can be up to 17 months. If the light is dim, replace it with a new battery.Easy installationSimply tear off the Velcro tape on the Gesture lamp and remote control, paste it in your ideal place and pre it for 30 seconds (please clean the place you want to paste in advance); Then you can start showing interesting gestures.Six colors availableWe have explored six colors for the led hand for you to choose from. This is a good gift for men and women, suitable for birthday, Christmas and New Year. .