3 flash modes: fast flash - slow flash - always on, to meet the needs of different scenarios Easy to install, widely compatible, and applicable to almost all drones on the market High-brightness strobe warning light, night flight direction guidance, safer flight Red and green dual-color strobe light is convenient for distinguishing the head and tail direction of the drone during night flight Strong battery life: about 120 minutes when flashing, about 30 minutes when always on Product name:Drone flashing night navigation light Light source mode: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 Colour:Transparent Material:Plastic Package Contents: 4 * Strobe light(battery and pad installed) 8 * Battery 4 * Mat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.