3 flash modes: fast flash, slow flash, and always on, to meet the needs of different scenarios Easy to install and widely compatible with most drones on the market High-brightness strobe warning light for night flight direction guidance Red and green dual-color strobe light helps distinguish the front and tail direction of the drone during night flight Long battery life: approximately 120 minutes in flashing mode and 30 minutes in constant-on mode Product name: Drone Flashing Night Navigation Light Modes: Fast flash, slow flash, constant light Brightness: 30-40 lumens Battery model: CR927 Power: 0.5W Battery capacity: (3V/30mAh) x 2 Usage time: Flashing for about 120 minutes; constant light for about 30 minutes Color: Transparent Material: Plastic Package Contents: 4 x Strobe lights (batteries and pads installed) 8 x Batteries 4 x Pads Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm.