Made of plastic material, which is safe, sturdy and strong, featuring impact resistances, stability and corrosion resistance, can be applied for a long time. Small size and lightweight, it can provide practical to fly your quadcopter safer and easier to recognize at night. Features -Color: Transparent. -Material: Plastic. -Size: About 1.70X1.70X1.30cm/0.67X0.67X0.51in. -Brightness: 30-40LM -Battery model: CR927 -Power: 0.5W -Battery capacity: (3V/30mAh) -Use time: about 120 minutes for flash; about 30 minutes for constant light - Strobe light for drone, It is able to identify where your drone is, even in a dark environment. - Using CR927 , it can last about 120 minutes in , and about 30 minutes in constant light mode. - The strobe lights can paste on the drone arm without scratching or damaging the surface of the drone part. - When flying the drone at night, it is playing the role of night identification and increases the fun of night flying. - Drone lights are compact and lightweight, easy to install without damage, and firmly paste on the arm. Package list: 4 x night lights 8 x CR927 button batteries 4 x stickers