3 flash modes: fast flash, slow flash, always on, to meet the needs of different scenarios Easy to install, widely compatible with most drones on the market High-brightness strobe warning light for night flight direction guidance Red and green dual-color lights help distinguish front and rear directions during night flights Long battery life: approximately 120 minutes in flashing mode, 30 minutes in constant-on mode Product name: Drone Flashing Night Navigation Light Modes: Fast flash, slow flash, constant light Brightness: 30-40LM Battery model: CR927 Power: 0.5W Battery capacity: (3V/30mAh)*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 Mounting pads Content limited to items listed above; other products not included Note: Lighting and display differences may cause slight color variations between image and actual item. Measurement error allowance: +/- 1-3 cm