The Streamlight E-Flood Upgrade Kit has six bright white C4 LEDs with 615 lumens in high (shines for up to 413 ft) and runs for 8 hours. For an extended runtime of up to 18 hours, just change the brightness level to low with 330 lumens (shines for up to 93m). Streamlight E-Flood Upgrade Kit gives a broad flood lighting pattern.