Features: Flashing red and blue alternately, the battery life is 10 hours, using a common CR927 button battery, which can be replaced by yourself. Simple to use, screw to open, unscrew to close. Strong 3 for M stickers at the bottom, strong stickiness and not easy to fall off, can be sticked anywhere where you want to use, the use area is not limited, and 10 3 for M round stickers are given as a gift, which can be replaced by yourself. Suitable for MINI 3 PRO strobe night navigation light LED flash warning direction identification DIY accessories. Small and mini, does not affect the flight, and increases the fun of flying. Specifications: Material: PCB Color: As the Picture Shows Net Weight: 12g/0.03lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set Strobe Night Navigation Light Led Flash for MINI 3 PRO