1. Release your hands and control the expression lamp to interact with the rear car through language. 2. Match APP, easy to use. 3. Highlight RGB LED lamp resolution up to 512 pixel night and day are still clear. 4. 1700mAH rechargeable battery, low power mode standby for more than half a year. Daily use 70 times / day, can work on month. 5. Bluetooth 5.0 more fast transmission more steady. 6. Use glue filling process suction cup, firmly adsorb on the glass. 7. Specification: Bluetooth version: 5.0 charging standard: 5V 1A battery capacity: 1700mAH LED resolution: 512 pixel APP platform support: Android & iOS
