Upgraded Remote Control: The led anti-collision lights comes with a 2.4G wireless remote controller, it is convenient and easy to change the lights color or flashing mode. 7 Colors & Multi-Modes: Our USB lights provide 7 colors (white, red, green, blue, yellow, purple, ice blue) and various modes: static, fast flashing, civic activation, memory, vibration. USB Rechargeable: With 9 LEDs and a 350mAh/3.7V rechargeable battery, these strobe lights are easily charged via the included USB cable. Charge for one hour before first use for full battery capacity. Wide Application: These lights are compatible with for DJI drones, bikes, cars, scooters, motorcycles. Perfect for outdoor activities like night running, camping, and as warning lights. Why does the light always turn off automatically when stationary? Because it's in vibration mode. Simply switch modes or move the light to reactivate it. For optimal battery life: 1. Use the provided charging cable. 2. Avoid fast charging adapters. 3. Red light turns on when charging; turns off when fully charged. Colour:As Shown Material:Plastic Package Contents: 4 * lights 1 * remote control 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.