LOCK MODE: The light is initially set to flash rapidly when power button is pressed – THIS IS NORMAL. This lock mode feature disables the light for safe transport or storage. To use normally, simply press the power button for 6 seconds, let go when light stops flashing, and now it’s ready to use.

INCREDIBLY POWERFUL 1, 100 lumen USB rechargeable bicycle light with a long range and extra wide beam in a sleek and compact design. For road and mountain use.

9 LIGHTING MODES: (Night Use: Boost - High - Medium - Low - SteadyPulse) Walking mode for use also as a flashlight (Day Use: DayLightningFlash - Triple Flash – Zoom ) See photo # 4 for run times

EXCLUSIVE STEADYPULSE mode alerts motorists with attention grabbing light pulses while its overlapping steady beam constantly lights your way at night. DAYLIGHTNING FLASH bursts lightning-like flashes to make you stand out on busy roads in broad daylight

BUILT TO ENDURE RUGGED CONDITIONS with durable & water resistant body and hard handlebar mount, all in a compact size &weighing only 150 grams. Convenient with fast USB recharging, Light Activation Lock for transport, & low battery indicator

DESIGNED, ENGINEERED, AND ASSEMBLED IN THE USA since 1991. Cygoliteis the proven American bicycle light brand with exclusive designs and innovations crafted into quality products that are on the leading edge of safety