3 flash modes: fast flash, slow flash, and always on, designed to meet the needs of various scenarios Easy to install and widely compatible with most drones available on the market High-brightness strobe warning light provides night flight visibility and directional guidance Red and green dual-color lights help distinguish the front and rear orientation of the drone during nighttime operation Long battery life: approximately 120 minutes in flashing mode and about 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 type: CR927 Power: 0.5W Battery capacity: (3V/30mAh) x 2 Usage time: Flashing for approximately 120 minutes; constant light for approximately 30 minutes Color: Transparent Material: Plastic Package contents: 4 x Strobe lights (batteries and pads installed) 8 x Batteries 4 x Mounting pads The package includes only the items listed above; other accessories are not included Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement error is +/- 1-3 cm