Product Features: Wireless Remote Control: Control the lights remotely within 7 meters, with memory function to recall the last setting. 8 Colors & 10 Modes: Choose from 8 vibrant colors and 10 flashing modes to suit different situations. High Brightness & USB Rechargeable: Bright LED wicks ensure visibility, with a rechargeable battery lasting up to 30 hours. Waterproof & Easy Installation: IP65 waterproof rating with two installation options: Velcro or rubber rings. Wide Application: Ideal for a variety of vehicles like cars, motorcycles, drones, boats, and more. Usage Instructions: Initial Charging: Upon receiving the package, charge each strobe light for 5 seconds using the included USB cables. Activate the Lights: After charging, unplug the cable, and press and hold the "ON" button on the remote control within 1 minute to activate the lights. Remote Control: Use the remote to switch colors and modes. If unused for more than 60 seconds, the remote enters hibernation mode. Press and hold the button to reactivate. Charging: The red indicator light will be ON while charging and will turn OFF once fully charged. The remote cannot be used during charging. Product Parameters: Brand: GFJMC Material: ABS + Electronic Components Colors Available: White, Red, Green, Blue, Yellow, Pink, Purple, Ice Blue Battery Capacity: 3.7V 110mAh Charging Interface: Micro USB (5V 1A) Size: 1.6×1.0×0.5 inches Weight: 0.40 oz per piece Package Includes: 4 * LED Strobe Lights & All Accessories