The guee sol 700 plus ambient light the self contained high lumen sol 700 plus offers alternative outputs 700 500 and 250 lumens to suit different riding environments the cnc machined body is designed with guee39s exclusive cooling technology the built in smart ambient sensor sas gives the sol 700 plus the best performance in run time and the release of heat recharged through micro usb for convenience a great solution for touringadventure riding guee sol 700 plus ambi