1. It plays the role of tracking mark when flying at night, increasing the fun of using at night;  
2. The red and blue colors alternate, and the brightness is bright; 
3. Small weight, light volume, almost no impact on flight, can be placed at the bottom of the arm or the position of the nose;  
4. Non-destructive installation, additional 4 batteries and 4 foams when shipped, long battery life Of fun. 
5. Net weight: 6g 
6. Size: 1.3x1x1cm 
7. Battery capacity: 35mAh/pc 


Accessories 
Flashing light x2 
Round Foam x4 
Backup battery x4