Brand new for this year, Moons Cerberus Rear Light is your side guardian when out on the round or trail, offering a maximum lumen output of 150, a runtime of 120 hours, & a beam angle of 270 degrees. Offering incredible visibility from the right, left & front, Moons new Cerberus features a USB (Universal Serial Bus)-C charging cable for greater convenience, & better charging performance. Featuring an Auto Safe Mode, which intelligently provides you with less light output when the lights battery level gets low, the Cerberus by Moon ensures that youll never get left in the dark. Also featuring a Day Flash Mode, for round the clock visibility, Lock Mode, to prevent the light from being accidentally turned on, Light Mode Memory, & a waterproof level at IPX 7, the Cerberus is the must have rear light on every ride.